For the latest publications from the group, proceed here
F. Xia, Y. Peng, W. Yue, M. Luo, C.-M. Chen, S. Pala, M. Teng, X. Yu, Y. Ma, M. Acharya, R. Arakawa, L. W. Martin, L. Lin, High sound pressure piezoelectric micromachined ultrasonic transducers using sputtered potassium sodium niobate. Microsyst. Nanoeng. accepted (2024).
A. Mangu, V. A. Stoica, H. Zheng, T. Yang, M. Zhang, H. Wang, Q. L. Nguyen, S. Song, S. Das, P. Meisenheimer, E. Donoway, M. Chollet, Y. Sun, J. J. Turner, J. W. Freeland, H. Wen, L. W. Martin, L.-Q. Chen, V. Gopalan, D. Zhu, Y. Cao, A. M. Lindenberg, Hidden domain boundary dynamics towards crystalline perfection. Proc. Nat. Acad. Sci. accepted (2024).
P. Kavle, A. M. Ross, Harikrishnan K. P., P. Meisenheimer, A. Dasgupta, J. Yang, C.-C. Lin, H. Pan, P. Behera, E. Parsonnet, X. Huang, J. A. Zorn, Y.-T. Shao, S. Das, S. Liu, D. A. Muller, R. Ramesh, L.-Q. Chen, L. W. Martin, Highly responsive polar vortices in all-ferroelectric heterostructures. Adv. Mater. accepted (2024). [Download, Link]
P. Behara, A. M. Ross, N. Shankar, P. Meisenheimer, M. Manna, C.-C. Lin, S.-L. Hsu, I. Harris, P. Kavle, S. Husain, A. Raja, L. W. Martin, S. Susarla, S. Salahuddin, L.-Q. Chen, R. Ramesh, Anisotropic ferroelectricity in polar vortices. Adv. Mater. 2410149 (2024). [Download, Link]
J. Shin, J. Jang, C. H. Choi, J. Kim, L. Eddy, P. Scotland, L. W. Martin, Y. Han, J. M. Tour, In2Se3 synthesized by the FWF method for neuromorphic computing. Adv. Electron. Mater. 2400603 (2024). [Download, Link]
M. Checa, B. Pant, A. Puretzky, B. Dryzhakov, R. K. Vasudevan, P. Kavle, A. Dasgupta, L. W. Martin, Y. Cao, L. Collins, S. Jesse, N. Domingo, K. P. Kelley, On-demand nanoengineering of in-plane polar topologies. Nature Nanotechnol. (2024). [Download, Link]
S. Eom, P. Kavle, D. Kang, Y. Kim, L. W. Martin, S. Hong, Unveiling the nanoscale dielectric gap and its influence on ferroelectric polarization switching in scanning-probe microscopy. Adv. Funct. Mater. (2024). [Download, Link]
V. A. Stoica, T. Yang, S. Das, Y. Cao, H. Wang, Y. Kubota, C. Dai, H. Padmanabhan, Y. Sato, A. Mangu, Q. L. Nguyen, Z. Zhang, D. Talreja, M. E. Zajac, D. A. Walko, A. D. DiChiara, S. Owada, K. Miyanishi, K. Tamasaku, T. Sato, J. M. Glownia, V. Esposito, S. Nelson, M. C. Hoffman, R. D. Schaller, A. M. Lindenberg, L. W. Martin, R. Ramesh, I. Matsuda, D. Zhu, L.-Q. Chen, H. Wen, V. Gopalan, J. W. Freeland, Non-equilibrium pathways to form emergent polar supertextures. Nature Mater. 23, 1394-1401 (2024). [Download, Link]
P. Meisenheimer, M. Ramesh, S. Husain, I. Harris, H. W. Park, S. Zhou, H. Taghinejad, H. Zhang, L. W. Martin, J. Analytis, P. Stevenson, J. Íñiguez-González, S. K. Kim, D. G. Schlom, L. Caretta, Z. Yao, R. Ramesh, Designed spin-texture-lattice to control anisotropic magnon transport in antiferromagnets. Adv. Mater. 36, 2404639 (2024). [Download, Link]
R. Bulanadi, K. Cordero Edwards, P. Tückmantel, S. Saremi, G. Morpurgo, Q. Zhang, L. W. Martin, V. Nagarajan, P. Paruch, Interplay between point and extended defects and their effects on jerky domain-wall motion in ferroelectric thin films. Phys. Rev. Lett. 133, 106801 (2024). [Download, Link]
M. Zajac, T. Zhao, T. Yang, S. Das, Y. Cao, B. Guzelturk, V. Stoica, M. J. Cherukara, J. W. Freeland, V. Gopalan, R. Ramesh, L. W. Martin, L.-Q. Chen, M. V. Holt, S. O. Hruszkewycz, H. Wen, Optical control of adaptive nanoscale domain networks. Adv. Mater. 28, 2405294 (2024). [Download, Link]
V. Harbola, D. Pesquera, R. Xu, P. D. Ashby, L. W. Martin, H. Y. Hwang, Flexoelectric enhancement of strain gradient elasticity across a ferroelectric-to-paraelectric phase transition. Nano Lett. 24, 10331-10336 (2024). [Download, Link]
S. Husain, I. Harris, P. Meisenheimer, S. Mantri, M. Ramesh, P. Behera, H. Taghinejad, J. Kim, P. Kavle, S. Zhou, T. Y. Kim, H. Zhang, P. Stephenson, J. G. Analytis, D. Schlom, S. Salahuddin, J. Íñiguez, B. Xu, L. W. Martin, L. Caretta, L. Bellaiche, Z. Yao, R. Ramesh, Non-volatile magnon transport in a single domain multiferroic. Nature Commun. 15, 5966 (2024). [Download, Link]
H. Zheng, T. Zhou, D. Sheyfer, Jie. Kim, Jiy. Kim, T. Frazer, Z. Cai, M. V. Holt, Z. Zhang, J. F. Mitchell, L. W. Martin, Y. Cao, Heterogeneous field response of hierarchical polar laminates in relaxor ferroelectrics. Science 384, 1447-1452 (2024.) [Download, Link]
H. Pan, M. Zhu, E. Banyas, L. Alaerts, M. Acharya, H. Zhang, J. Kim, X. Chen, X. Huang, M.Xu, I. Harris, Z. Tian, F. Ricci, B. Hanrahan, J. E. Spanier, G. Hautier, J. M. LeBeau, J. B.Neaton, L. W. Martin, Defying clamping – ultrahigh electromechanical responses in antiferroelectric thin films. Nature Mater. 23, 944-950 (2024). [Download, Link]
X. Huang, X. Chen, J. Mangeri, H. Zhang, L. Caretta, S. Susarla, R. Jain, C. Klewe, T. Wang, I. Harris, H. Pan, J. Yin, P. Meisenheimer, P. Shafer, Z. Qiu, D. R. Rodrigues, O. Heinonen, D.Vasudevan, J. Íñiguez, S. Salahuddin, L. W. Martin, D. C. Ralph, A. Fert, Z. Yao, R. Ramesh. Manipulating chiral-spin transport with ferroelectric polarization. Nature Mater. 23, 898-904 (2024). [Download, Link]
H. Zhang, Y.-T. Shao, B. Zhang, T. Wang, F. Meng, P. Meisenheimer, X. Huang, X. Chen, P. Behara, T. Zhu, H. Pan, Z. Ze, A. N’Diaye, Y. Jia, P. Shafer, A. Raja, X. Chen, C. Xu, L. W. Martin, M. F. Crommie, J. Yao, Z. Qiu, L. Bellaiche, D. A. Muller, R. J. Birgeneau, R. Ramesh, Spin disorder control of topological spin texture. Nature Commun. 15, 3828 (2024). [Download, Link]
Y. Jiang, Z. Tian, P. Kavle, H. Pan, L. W. Martin, Effect of fabrication processes on BaTiO3 capacitor properties. APL Mater. 12, 041116 (2024). [Download, Link]
P. Meisenheimer, G. Moore, S. Zhou, H. Zhang, X. Huang, S. Husain, X. Chen, L. W. Martin, K. Persson, S. Griffin, L. Caretta, P. Stevenson, R. Ramesh, Switching the spin cycloid in BiFeO3 with an electric field. Nature Commun. 15, 2903 (2024).[Download, Link]
P. Meisenheimer, A. Ghosal, E. Hoglund, Z. Wang, P. Behera, F. Gómez-Ortiz, P. Kavle, E.Karapetrova, P. GarcÍa-Fernández, L. W. Martin, A. Raja, L.-Q. Chen, P. Hopkins, J.Junquera, R. Ramesh, Interlayer coupling controlled ordering and phases in polar vortex superlattices. Nano Lett. 24, 2972-2979 (2024). [Download, Link]
H. Zhang, X. Chen, T. Wang, X. Huang, X. Chen, Y.-T. Shao, F. Meng, P. Meisenheimer, A. N’Diaye, C. Klewe, P. Shafer, H. Pan, Y. Jia, M. F. Crommie, L. W. Martin, J. Yao, Z. Qiu, D. A. Muller, R. J. Birgeneau, R. Ramesh, Room-temperature, current-induced magnetization self-switching in van der Waals ferromagnet. Adv. Mater. 36, 2308555 (2024) [Download, Link]
S. Husain, I. Harris, G. Gao, X. Li, P. Meisenheimer, C. Shi, P. Kavle, C. H. Choi, T. Kim, D. Kang, P. Behara, D. Perrodin, H. Guo, J. Tour, Y. Han, L. W. Martin, Z. J. Yao, R. Ramesh. Low-temperature grapho-epitaxial La-substituted BiFeO3 on metallic perovskite. Nature Commun. 15, 479 (2024) [Download, Link]
L. W. Martin, J.-P. Maria, D. G. Schlom, Lifting the fog in ferroelectric thin-film synthesis. Nature Mater. 23, 9-10 (2024). (Invited perspective) [Download, Link]
E. Lupi, R. B. Wexler, D. Meyers, A. Zahradnik, Y. Jiang, S. Susarla, R. Ramesh, L. W. Martin, A. M. Rappe, Artificial relaxor behavior in (BaTiO3)n/(SrTiO3)n superlattices. Adv. Mater. 35, 2302012 (2023). [Download, Link]
O. Shafir, A. L. Bennett-Jackson, A. R. Will-Cole, A. Samanta, D. Chen, A. Podpirka, A. Burger, L. Wu, E. Lupi Sosa, L. W. Martin, J. E. Spanier, I. Grinberg. Ultrahigh bulk photovoltaic effect responsivity in thin films: unexpected behavior in a classic ferroelectric material. Solar Rapid Res. Lett. 7, 2300294 (2023) [Download, Link]
J. P. B. Silva, R. Alcala, U. E. Avci, N. Barrett, L. Begon-Lours, M. Borg, S. Byun, S.-C. Chang, S.-W. Cheong, D.-H. Choe, J. Coignus, v. Deshpande, A. Dimoulas, C. Dubourdieu, I. Fina, H. Funakubo, L. Grenouillet, A. Gruverman, J. Heo, M. Hoffman, H. A. Hsain, F.-T. Huang, C. S. Hwang, J. Iniguez, J. L. Jones, I. V. Karpov, A. Kersch, T. Kwon, S. Lancaster, M. Lederer, Y. Lee, P. D. Lomenzo, L. W. Martin, S. Martin, S. Migita, T. Mikolajick, B. Noheda, M. H. Park, K. M. Rabe, S. Salahuddin, F. Sanchez, K. Seidel, T. Shimizu, T. Shiraishi, S. Slesazeck, A. Toriumi, H. Uchida, B. Vilquin, X. Xu, K. H. Ye, U. Schroeder, Roadmap on ferroelectric hafnia- and zirconia-based materials and devices. APL. Mater. 11, 089201 (2023) (Invited Roadmap) [Download, Link]
P. Kavle, A. Ross, J. A. Zorn, P. Behara, E. Parsonnet, X. Huang, C.-C. Lee, L. Caretta, L.-Q. Chen, L. W. Martin, Exchange interaction-like behavior in ferroelectric bilayers. Adv. Mater. 35, 2301934 (2023). [Download, Link]
C. Dai, Z. Hong, S. Das, Y.-L. Tang, L. W. Martin, R. Ramesh, L.-Q. Chen, Strain effects on stability of topological ferroelectric polar configurations in (PbTiO3)n/(SrTiO3)n superlattices. Appl. Phys. Lett. 123, 052903 (2023) [Download, Link]
L. W. Martin, An entropy tactic. Nature Energy 8, 913-914 (2023). (Invited perspective) [Download, Link]
S. Das, M. McCarter, F. Gómez-Ortiz, Y.-L. Tang, Z. Hong, A. Ghosh, P. Shafer, P. Garcia-Fernández, J. Junquera, L. W. Martin, R. Ramesh, Pure chiral polar vortex phases in PbTiO3/SrTiO3 superlattices with tunable chiral dichroism. Nano Lett. 23, 6602-6609 (2023). [Download, Link]
M. Acharya, D. Lou, A. Fernandez, J. Kim, Z. Tian, L. W. Martin, Direct measurement of inverse piezoelectric effect in thin films using laser Doppler vibrometry. Phys. Rev. Appl. 20, 014017 (2023) [Download, Link]
Z. Tian, M. Xu, J. Kim, H. Pan, D. Lou, X. Huang, J. M. LeBeau, L. W. Martin, Tunable artificial relaxor behavior in [BaTiO3]m/[BaZrO3]n superlattices. Phys. Rev. Lett. 130, 266801 (2023) [Download, Link]
K. X. Nguyen, Y. Jiang, M. C. Cao, P. Purohit, A. K. Yadav, P. García-Fernádez, M. W. Tate, C. S. Chang, P. Aguado-Puente, J. Íñiquez, F. Gomez-Ortiz, S. M. Gruner, J. Junquera, L. W. Martin, R. Ramesh, D. A. Muller, Transferring orbital angular momentum to an electron beam reveals toroidal and chiral order. Phys. Rev. B 107, 205419 (2023) [Download, Link]
H. Pan, Z. Tian, M. Acharya, X. Huang, P. Kavle, L. Wu, D. Chen, J. Carroll, R. Scales, K. Coleman, B. Hanrahan, J. E. Spanier, L. W. Martin, Defect-induced, ferroelectric-like switching and adjustable dielectric tunability in antiferroelectrics. Adv. Mater. 35, 2300257 (2023). [Download, Link]
S. Yuan, Z. Chen, S. Prokhorenko, Y. Nahas, L. Bellaiche, C. Liu, B. Xu, L. Chen, S. Das, L. W. Martin. Hexagonal close-packed polar-skyrmion lattice in ultrathin PbTiO3 films. Phys. Rev. Lett. 130, 226801 (2023) [Download, Link]
P. Behara, E. Parsonnet, F. Gómez-Ortiz, V. Srikrishna, P. Meisenheimer, S. Susurla, P. Kavle, L. Caretta, Y. Wu, Z. Tian, A. Fernandez, L. W. Martin, S. Das, J. Junquera, Z. Hong, R. Ramesh. Emergent ferroelectric switching behavior from polar vortex arrays. Adv. Mater. 35, 2208367 (2023). [Download, Link]
H. Lu, H. Cui, R. Hensleigh, L. Jiang, G. Lu, Y. Zeng, A. Rayes, K. Mohanchandra, M. Acharya, Z. Wang, A. Irimia, F. Wu, G. Carman, J. Morale, S. Putterman, L. W. Martin, Q. Zhou, X. Zheng, 3D printing and processing of miniaturized transducers with near-pristine piezoelectric ceramics for localized cavitation. Nature Commun. 14, 2418 (2023) [Download, Link]
J. Junquera, Y. Nahas, S. Prokhorenko, L. Bellaiche, J. Iniguez, D. G. Schlom, L.-Q. Chen, S. Salahuddin, D. A. Muller, L. W. Martin, R. Ramesh, Topological phases in polar oxide nanostructures. Rev. Mod. Phys. 95, 025001 (2023). (Invited review) [Download, Link]
R. Xu, K. J. Crust, V. Harbola, R. Arras, K. Y. Patel, S. Prosandeev, H. Cao, Y.-T. Shao, P. Behara, L. Caretta, W. J. Kim, A. Khandelwal, M. Archarya, M. M. Wang, Y. Liu, E. S. Barnard, A. Raja, L. W. Martin, X. W. Gu, H. Zhou, R. Ramesh, D. A. Muller, L. Bellaiche, H. Y. Hwang, Size-induced ferroelectricity in antiferroelectric oxide membranes. Adv. Mater. 35, 2210562 (2023) [Download, Link]
T. Huang, Y. Lyu, H. Huyan, J. Ni, S. Saremi, Y. Wang, X. Yan, D. Yi, Q. He, L. W. Martin, H. Xiang, X. Pan, P. Yu, Manipulation of the ferromagnetism in LaCoO3 thin films through cation-stoichoimetric engineering. Adv. Electron. Mater. 9, 2201245 (2023) [Download, Link]
C. Addiego, J. A. Zorn, W. Gao, S. Das, J. Wu, C. Qu, L. Zhao, L. W. Martin, R. Ramesh, L.-Q. Chen, X. Pan, Multiscale electric-field imaging of polarization vortex structures in PbTiO3/SrTiO3 superlattices. APL Mater. 11, 051106 (2023) [Download, Link]
Y.-T. Shao, S. Das, Z. Hong, R. Xu, S. Chandrika, F. Gomez-Ortiz, P. Garcia-Fernandez, L.-Q. Chen, H. Y. Hwang, J. Junquera, L. W. Martin, R. Ramesh, D. A. Muller, Emergent chirality in a polar meron to skyrmion phase transition. Nature Commun. 14, 1355 (2023) [Download, Link]
L. Caretta, Y.-T. Shao, J. Yu, A. B. Mei, B. F. Grosso, C. Dai, P. Behera, D. Lee, M. McCarter, E. Parsonnet, K. P. Harikrishnan, F. Xue, X. Guo, E. S. Barnard, S. Ganschow, Z. Hong, A. Raja, L. W. Martin, L.-Q. Chen, M. Feibig, K. Lei, N. A. Spaldin, D. A. Muller, D. G. Schlom, R. Ramesh, Nonvolatile electric-field control of inversion symmetry. Nature Mater. 22, 207-215 (2023) [Download, Link]
S. Park, B. Wan, T. Yang, J. Kim, S. Saremi, W. Zhao, B. Guzelturk, A. Sood, C. Nyby, M. Zajac, X. Shen, M. Kozina, A. H. Reid, S. Weathersby, X. Wang, L. W. Martin, L.-Q. Chen, A. Lindenberg, Light-driven ultrafast polarization manipulation in a relaxor ferroelectric. Nano Lett. 22, 9275-9282 (2022) [Download, Link]
M. R. McCarter, K. T. Kim, V. A. Stoica, S. Das, C. Klewe, E. P. Donoway, D. M. Burns, P. Shafer, F. Rodolakis, M. A. P. Conçalves, R. Gómez-Oritz, Jorge Íñiguez, P. García-Fernández, J. Junquera, S. W. Lovesey, G. van der Laan, S. Y. Park, J. W. Freeland, L. W. Martin, D. R. Lee, R. Ramesh, Structural chirality of polar skyrmions probed by resonant elastic X-ray scattering. Phys. Rev. Lett. 129, 247601 (2022) (Cover Article) [Download, Link]
J. Kim, A. Kumar, Y. Qi, H. Takenaka, P. J. Ryan, D. J. Meyers, J.-W. Kim, A. Fernandez, Z. Tian, A. M. Rappe, J. M. LeBeau, L. W. Martin, Coupled polarization and nanodomain evolution underpins large electromechanical responses in relaxors. Nature Phys. 18, 1502-1509 (2022) [Download, Link]
M. Acharya, H. Ling, D. Lou, M. Ramesh, B. Hanrahan, G. Velarde, M. Asta, K. Persson, L. W. Martin, Exploring the morphotropic phase boundary in epitaxial PbHf1-xTixO3 thin films. Chem. Mater. 34, 9613-9623 (2022) [Download, Link]
H. Ling, M. Acharya, L. W. Martin, K. A. Persson, Theory-guided exploration of the Sr2Nb2O7 system for increased dielectric and piezoelectric properties and synthesis of vanadium alloyed Sr2Nb2O7. Chem. Mater. 34, 8536-8543 (2022) [Download, Link]
P. Kavle, J. Zorn, A. Dasgupta, B. Wang, M. Ramesh, L.-Q. Chen, L. W. Martin, Strain-driven mixed-phase domain architectures and topological transitions in Pb1-xSrxTiO3 thin films. Adv. Mater. 15, 2203469 (2022) [Download, Link]
D. Pesquera, A. Fernandez, E. Khestanova, L. W. Martin, Freestanding complex-oxide membranes. J. Phys. Condens. Matter 34, 383001 (2022). (Invited review) [Download, Link]
A. Fernandez, M. Acharya, H.-G. Lee, J. Schimpf, Y. Jiang, D. Lou, Z. Tian, L. W. Martin, Thin-film ferroelectrics. Adv. Mater. 34, 2108841 (2022). (Invited Hall of Fame Review) [Download, Link]
Y. Jiang, E. Parsonnet, A. Qualls, W. Zhao, S. Susarla, D. Pesquera, A. Dasgupta, M. Acharya, H. Zhang, T. Gosavi, C.-C. Lin, D. E. Nikonov, H. Li, I. A. Young, R. Ramesh, L. W. Martin, Enabling ultralow voltage switching in BaTiO3 Nature Mater. 21, 779-785 (2022). [Download, Link]
K. T. Kim, M. R. McCarter, V. A. Stoica, S. Das, C. Klewe, E. P. Donoway, D. M. Burn, P. Shafer, F. Rodolakis, M. A. P. Gonçalves, F. Gómez-Ortiz, J. Íñiguez, P. García-Fernández, J. Junquera, S. Sursala, S. Lovesey, G. van der Laan, S. Y. Park, L. W. Martin, J. W. Freeland, R. Ramesh, D. R. Lee, Chiral structures of electric polarization vectors quantified by X-ray resonant scattering. Nature Commun. 13, 1769 (2022) [Download, Link]
K. Aryana, J. A. Tomko, R. Gao, E. R. Hoglund, T. Mimura, S. Makarem, A. Salanova, M. S. Bin Hoque, T. W. Pfeifer, D. H. Olson, J. L. Braun, J. Nag, J. C. Read, J. M. Howe, E. J. Opila, L. W. Martin, J. F. Ihlefeld, P. E. Hopkins, Observation of solid-state bidirectional thermal conductivity switching in antiferroelectric lead zirconate (PbZrO3). Nature Commun. 13, 1573 (2022) [Download, Link]
C. Dai, V. A. Stoica, S. Das, Z. Hong, L. W. Martin, R. Ramesh, J. W. Freeland, H. Wen, V. Gopalan, L.-Q. Chen, Tunable nanoscale evolution and topological phase transitions of a polar vortex supercrystal. Adv. Mater. 34, 2106401 (2022) [Download, Link]
R. Burkovsky, G. A. Lityagin, A. E. Ganzha, A. F. Vakulenko, R. Gao, A. Dasgupta, B. Xu, A. V. Filimonov, L. W. Martin, Field-induced heterophase state in PbZrO3 epitaxial films. Phys. Rev. B. 105, 125409 (2022) [Download, Link]
Z. Tian, J. Kim, A. Fernandez, X. Huang, L. W. Martin, Effect of substrate clamping effects on the evolution of properties in homovalent and heterovalent relaxor thin films. Phys. Rev. B 105, 094107 (2022) [Download, Link]
Q. Shi, E. Parsonnet, X. Chen, N. Fedorova, R.-C. Peng, A. Fernandez, A. Qualls, X. Huang, X. Chang, H. Zhang, D. Pesquera, S. Das, D. Nikonov, I. M. Young, L.-Q. Chen, L. W. Martin, Y.-L.Huang, J. Iñiguez, R. Ramesh, The role of lattice dynamics in ferroelectric switching. Nature Commun. 13, 1110 (2022) [Download, Link]
S. R. Burns, A. Tselev, A. V. Ievlev, J. C. Agar, L. W. Martin, S. V. Kalinin, D. Sando, P. Maksymovych, Tunable microwave conductance of nanodomains in ferroelectric PbZr0.2Ti0.8O3 thin films. Adv. Electron. Mater. 8, 2100952 (2022) [Download, Link]
A. Samanta, S. Yadav, Z. Gu, C. J. G. Meyers, L. Wu, D. Chen, S. Pandya, R. A. York, L. W. Martin, J. E. Spanier, I. Grinberg, A predictive theory for domain walls in oxide ferroelectric based on interatomic interactions and its implications for collective material properties. Adv. Mater. 34, 2106021 (2022) [Download, Link]
P. Behara*, M. A. May*, F. G. Ortiz, S. Susarla, S. Das, C. T. Nelson, L. Caretta, S.-L. Hsu, M. R. McCarter, B. H. Savitzky, E. S. Barnard, A. Raja, Z. Hong, P. Garcia-Fernandez, S. W. Lovesey, G. van der Laan, P. Ercius, C. Ophus, L. W. Martin, J. Junquera, M. B. Raschke, R. Ramesh, Electric-field control of chirality. Science Adv. 8, eabj8030 (2022) [Download, Link]
R. Ramesh, L. W. Martin, Electric-field control of magnetism: multiferroics and magnetoelectrics. La Rivista del Nuovo Cimento accepted Feb. 2021. (Invited perspective) [Link]
R. Gao*, A. Fernandez*, T. Chakraborty, A. Luo, D. Pesquera, S. Das, G. Velarde, V. Thoreton, J. Kilner, T. Ishihara, S. Nemsak, E. J. Crumlin, E. Ertekin, L. W. Martin, Correlating surface crystal orientation and gas kinetics in perovskite-oxide electrodes. Adv. Mater. (2021). [Link]
Q. Li, V. Stoica, M. Pasciak, Y. Zhu, Y. Yuan, T. Yang, M. R. McCarter, S. Das, A. K. Yadav, S. Park, C. Dai, H. J. Lee, Y.Ahn, S. D. Marks, T. Sato, M. C. Hoffmann, M. Chollet, M. E. Kozina, S. Nelson, D. Zhu, D. A. Walko, A. M. Lindenberg, P. G. Evans, L.-Q. Chen, R. Ramesh, L. W. Martin, V. Gopalan, J. W. Freeland, J. Hlinka, H. Wen, Terahertz collective dynamics of polar vortices. Nature 592, 376-380 (2021). [Download, Link]
P. Tuckmantel, I. Gaponenko, N. B. Caballero, J. C. Ager, L. W. Martin, T. Giamarchi, P. Paruch, Local probe comparison of ferroelectric switching-event statistics in the creep and depinning regimes in Pb(Zr0.2Ti0.8)O3 thin films. Phys. Rev. Lett. 126, 117601 (2021). [Download, Link]
L. W. Martin, Whirls and swirls of polarization. Science 371, 992-993 (2021). (Invited Perspective) [Download, Link]
Z. Zhang, S.-L. Hsu, H. Paik, J. Wang, L. Xie, S. Das, Z. Leng, L. W. Martin, D. G. Schlom, L.-Q. Chen, S. Salahuddin, R. Ramesh, Epitaxial ferroelectric Hf0.5Zr0.5O2 with metallic pyrochlore oxide electrodes. Adv. Mater. 33, 2006089 (2021). [Download, Link]
S. Chen, S. Yuan, Z. Hou, Y. Tang, J. Zhang, T. Wang, K. Li, W. Zhao, X. Liu, L. Chen, L. W. Martin, Z. Chen, Recent progress on topological structures in ferroic thin films and heterostructures. Adv. Mater. 33, 200857 (2021). (Invited progress report) [Download, Link]
G. Velarde, S. Pandya, J. Karthik, D. Pesquera, L. W. Martin, Pyroelectric thin films – past, present, and future. APL Mater. 9, 010702 (2020). (Invited review, 100 Years of Ferroelectrics) [Download, Link]
J. Belhadi, U. Gabor, H. Ursic, N. Daneu, Z. Tian, J. Kim, G. Koster, L. W. Martin, M. Spreitzer, Growth mode and strain effect on relaxor ferroelectric domains in epitaxial 0.67Pb(Mg1/3Nb2/3)O3-0.33PbTiO3/SrRuO3 heterostructures. RSC Adv. 11, 1222-1232 (2021). [Download, Link]
S. Das, Z. Hong, V. A. Stoica, M. A. P. Gonçalves, T. Y. Shao, E. Parsonnet, E. J. Marksz, S. Saremi, M. McCarter, A. Reynoso, C. J. Long, A. M. Hagerstrom, D. Meyers, V. Ravi, B. Prasad, H. Zhou, Z. Zhang, H. Wen, F. Gómez-Ortiz, P. García-Fernández, J. Bokor, J. Íñiguez, J. W. Freeland, N. D. Orloff, J. Junquera, L-Q. Chen, S. Salahuddin, D. A. Muller, L. W. Martin, R. Ramesh, Local negative permittivity and topological-phase transition in polar skyrmions. Nature Mater. 20, 194-201 (2021). [Download, Link]
S. Das, Z. Hong, M. R. McCarter, D. A. Muller, L. W. Martin, R. Ramesh, A new era in ferroelectrics. APL Mater. 8, 120902 (2020). (Invited review, 100 Years of Ferroelectrics) [Download, Link]
C. Weymann, C. Lichtensteiger, S. Fernandez-Peña, A. B. Naden, L. R. Dedon, L. W. Martin, J.-M. Triscone, P. Paruch, Full control of polarization in ferroelectric thin films through growth temperature to modulate defects. Adv. Electron. Mater. 6, 2000852 (2020). [Download, Link]
J. Kim, E. Lupi, D. Pesquera, M. Acharya, W. Zhao, G. A. P. Velarde, S. Griffin, L. W. Martin, Beyond expectations: Advanced materials design, synthesis, and processing to enable novel ferroelectric properties and applications. MRS Adv. 5, 3453-3472 (2020). (Invited perspective) [Download, Link]
S. Shetty, J. Kim, L. W. Martin, S. Trolier-McKinstry, Non-linearity in engineered lead magnesium niobite (PbMg1/3Nb2/3O3) thin films. J. Appl. Phys. 128, 194102 (2020). [Download, Link]
S. Neumayer, S. Saremi, L. W. Martin, L. Collins, A. Tselev, S. Jesse, S. V. Kalinin, N. Balke, Piezoresponse amplitude and phase quantified for electromechanical characterization. J. Appl. Phys. 128, 171105 (2020). (Invited tutorial) [Download, Link]
D. Pesquera, E. Parsonnet, A. Qualls, R. Xu, A. J. Gubser, J. Kim, Y. Jiang, G. Velarde, Y.-L. Huang, H. Hwang, R. Ramesh, L. W. Martin, Beyond substrates: strain engineering of ferroelectric membranes. Adv. Mater. 32, 2003780 (2020). [Download, Link]
A. Chen, W. Zhang, L. R. Dedon, D. Chen, F. Khatkhatay, J. L. MacManus-Driscoll, H. Wang, D. Yarotski, J. Chen, X. Gao, L. W. Martin, A. Roelofs, Q. Jia, Couplings of polarization with interfacial deep trap and Schottky interface controlled ferroelectric memristive switching. Adv. Funct. Mater. 30, 2000664 (2020). [Download, Link]
M. Acharya, S. A. Mack, A. Fernandez, J. Kim, H. Wang, K. Eriguchi, D. Meyers, V. Gopalan, O. D. Dubon, J. B. Neaton, L. W. Martin, Searching for new ferroelectric materials using high-throughput databases: An experimental perspective on BiAlO3 and BiInO3. Chem. Mater. 32, 7274-7283 (2020). [Download, Link]
E. Parsonnet, Y.-L. Huang, T. Gosavi, A. Qualls, D. Nikonov, C.-C. Lin, I. Young, J. Bokor, L. W. Martin, R. Ramesh, Toward intrinsic ferroelectric switching in multiferroic BiFeO3. Phys. Rev. Lett. 125, 067601 (2020). [Download, Link]
B. Prasad, Y.-L. Huang, R. V. Chopdekar, Z. Chen, J. Steffes, S. Das, Q. Li, M. Yang, C.-C. Lin, T. Gosavi, D. Nikonov, Z. Q. Qiu, L. W. Martin, B. D. Huey, I. Young, J. Iniguez, S. Manipatruni, R. Ramesh. Ultralow voltage manipulation of ferromagnetism. Adv. Mater. 32, 2001943 (2020). [Download, Link]
J. Kim, M. Acharya, S. Saremi, G. Velarde, E. Parsonnet, P. Donahue, A. Qualls, D. Garcia, L. W. Martin, Ultrahigh capacitive energy density in ion-bombard relaxor ferroelectric films. Science 369, 81-84 (2020). [Download, Link]
Y.-L. Huang, D. Nikonov, C. Addiego, R. V. Chopdekar, B. Prasad, L. Zhang, J. Chatterjee, H.-J. Liu, A. Farhan, Y.-H. Chu, M. Yang, M. Ramesh, Z. Q. Qiu, B. D. Huey, C.-C. Lin, T. Gosavi, J. Iniguez, J. Bokor, X. Pan, I. Young, L. W. Martin, R. Ramesh, Manipulating magnetoelectric energy landscape in multiferroics. Nature Commun. 11, 2836 (2020). [Download, Link]
S. M. Neumayer, S. Jesse, G. Velarde, L. W. Martin, N. Balke, P. Maksymovych, To switch or not to switch – a machine learning approach for ferroelectricity. Nanoscale Adv. 2, 2063-2072 (2020). [Download, Link]
P. Barrozo, D. R. Smabraten, Y. L. Tang, P. Bhagwati, S. Saremi, V. Thakare, R. Steinhardt, M. Holtz, V. A. Stoica, L. W. Martin, D. G. Schlom, S. M. Selbach, R. Ramesh, Defect-enhanced polarization switching in the improper ferroelectric LuFeO3. Adv. Mater. 32, 2000508 (2020). [Download, Link]
H. Elangovan, M. Barzilay, S. Saremi, N. Cohen, Y. Jiang, L. W. Martin, Y. Ivry, Giant superelastic piezoelectricity in flexible ferroelectric BaTiO3 membranes. ACS Nano 14, 5053-5060 (2020). [Download, Link]
A. Fernandez, J. Kim, D. Meyers, L. W. Martin, Finite-size effects in lead scandium tantalate relaxor thin films. Phys. Rev. B 101, 094102 (2020). [Editor’s Suggestion] [Download, Link]
E. Lupi, A. Ghosh, S. Saremi, S. Pandya, G. Velarde, A. Fernandez, L. W. Martin, Large polarization and susceptibilities in artificial morphotropic phase boundary PbZr1-xTixO3 superlattices. Adv. Electron. Mater. 6, 1901395 (2020). [Download, Link]
H. Taz, B. Prasad, Y.-L. Huang, Z. Chen, S.-L. Hsu, R. Xu, V. Thakare, T. S. Sakthivel, C. Liu, M. Hettick, R. Mukherjee, S. Seal, L. W. Martin, A. Javey, G. Duscher, R. Ramesh, R. Kalyanaraman, Integration of amorphous ferromagnetic oxides with multiferroic materials for room-temperature magnetoelectric spintronics. Sci. Rep. 10, 3583 (2020). [Download, Link]
L. Wehmeier, T. Norenberg, T. V. A. G. de Oliveira, J. M. Klopf, S.-Y. Yang, L. W. Martin, R. Ramesh, L. M. Eng, S. C. Kehr, Phonon-induced near-field resonances in multiferroic BiFeO3 thin films at infrared and THz wavelengths. Appl. Phys. Lett. 116, 071103 (2020). [Download, Link]
B. Guzelturk, A. B. Mei, L. Zhang, L. Tan, P. Donahue, A. G. Singh, D. G. Schlom, L. W. Martin, A. M. Lindenberg, Light-induced currents at domain walls in multiferroic BiFeO3. Nano Lett. 20, 145-151 (2020). [Download, Link]
R. Gao, S. Pandya, Y. Dong, H. Zhao, A. I. Luo, L. R. Dedon, V. Thoreton, R. Xu, S. Saremi, T. Chen, A. Jain, T. Ishihara, D. R. Trinkle, N. H. Perry, L. W. Martin, Designing optimal perovskite structure for high ionic conduction. Adv. Mater. 32, 1905178 (2020). [Download, Link]
L. Zhang, Y.-L. Huang, G. Velarde, A. Ghosh, S. Pandya, D. Garcia, R. Ramesh, L. W. Martin, Enhanced pyroelectric properties of Bi1-xLaxFeO3 thin films. APL Mater. 7, 111111 (2019). [Download, Link]
S. Saremi, J. Kim, A. Ghosh, L. W. Martin, Defect-induced (dis)order in relaxor ferroelectric thin films. Phys. Rev. Lett. 123, 207602 (2019). [Download, Link]
S. Chen, H. Zhou, X. Ye, Z. Chen, J. Zhao, S. Das, C. Klewe, L. Zhang, E. Lupi, P. Shafer, E. Arenholz, D. Jin, H. Huang, Y. Lu, X. Li, M. Wu, S. Ke, H. Xu, X. Zeng, C. Huang, L. W. Martin, L. Chen, Versatile and highly efficient controls of reversible topotactic metal-insulator transitions through proton intercalation. Adv. Funct. Mater. 29, 1907072 (2019). [Download, Link]
A. B. Mei, S. Saremi, L. Miao, M. Barone, Y. Tang, C. Zeledon, J. Schubert, D. C. Ralph, L. W. Martin, D. G. Schlom, Ferroelectric properties of ion-irradiated bismuth ferrite layers grown via molecular-beam epitaxy. APL Mater. 7, 111101 (2019). [Download, Link]
J. C. Agar, B. Naul, S. Pandya, S. van der Walt, J. Maher, Y. Ren, L.-Q. Chen, S. V. Kalinin, R. K. Vasudevan, Y. Cao, J. S. Bloom, L. W. Martin, Revealing ferroelectric switching character using deep recurrent neural networks. Nature Commun. 10, 4809 (2019). [Download, Link]
G. Velarde, S. Pandya, L. Zhang, D. Garcia, E. Lupi, R. Gao, J. Wilbur, C. Dames, L. W. Martin, Quantifying intrinsic, extrinsic, dielectric, and secondary pyroelectric responses in PbZr1-xTixO3 thin films. ACS Appl. Mater. Inter. 11, 35146-35154 (2019). [Download, Link]
X. Lu, Z. Chen, Y. Cao, Y. Tang, R. Xu, S. Saremi, Z. Zhang, Y. Dong, S. Das, H. Zhang, L. Zheng, W. Lu, J. Li, L. Chen, H. Li, W. Cao, L. W. Martin, Mechanical-force-induced non-local collective ferroelastic switching in epitaxial lead-titanate thin films. Nature Commun. 10, 3951 (2019). [Download, Link]
S.-L. Hsu, M. R. McCarter, C. Dai, Z. Hong, L.-Q. Chen, C. T. Nelson, L. W. Martin, R. Ramesh, Emergence of the vortex state in confined ferroelectric heterostructures. Adv. Mater. 31, 1901014 (2019). [Download, Link]
S. Pandya, G. Velarde, L. Zhang, J. Wilbur, A. Smith, B. Hanrahan, C. Dames, L. W. Martin, New approach to waste-heat energy harvesting: pyroelectric energy conversion. NPG Asia Mater. 11, 26 (2019). (Invited perspective) [Download, Link]
J. Kim, Y. Qi, A. R. Damodaran, R. Gao, H. Takenaka, S. Pandya, M. R. McCarter, A. M. Rappe, L. W. Martin, Epitaxial strain control of relaxor ferroelectric phase evolution. Adv. Mater. 31, 1901060 (2019). [Download, Link]
S. Das, Y. L. Tang, Z. Hong, M. Gonçalves, M. R. McCarter, F. Gómez-Oritz, S.-L. Hsu, C. Klewe, P. Shafer, E. Arenholz, C. Ophus, J. F. Liu, C. T. Nelson, B. Prasad, A. R. B. Mei, D. G. Schlom, J. Íñiguez, P. García-Fernández, L. Q. Chen, J. Junquera, L. W. Martin, R. Ramesh, Observation of room temperature polar skyrmions. Nature 568, 368-372 (2019). [Download, Link]
D. Meng, Y. Xiao, H. He, Y. Liao, H. Zhang, J. Zhai, Z. Chen, L. W. Martin, F. Bai, Enhanced spontaneous polarization in double perovskite Bi2FeCrO6. J. Amer. Ceram. Soc. 102, 5234-5242 (2019). [Download, Link]
V. A. Stoica, N. Laanait, C. Dai, Z. Hong, Y. Yuan, Z. Zhang, S. Lei, M. R. McCarter, A. Yadav, A. R. Damodaran, S. Das, G. A. Stone, J. Karapetrova, D. A. Walko, X. Zhang, L. W. Martin, R. Ramesh, L.-Q. Chen, H. Wen, V. Gopalan, J. W. Freeland, Optical creation of a supercrystal with three-dimensional nanoscale periodicity. Nature Mater. 18, 377-383 (2019). [Download, Link]
R. Xu, S. Liu, S. Saremi, R. Gao, H. Lu, J. J. Wang, Z. J. Hong, A. Ghosh, S. Pandya, E. Bonturim, Z. Chen, L.-Q. Chen, A. M. Rappe, L. W. Martin, Kinetic control of tunable multi-state switching in ferroelectric thin films. Nature Commun. 10, 1282 (2019). [Download, Link]
Y. Takamura, K. Leonard, A. Luo, L. W. Martin, H. Matsumoto, Platinum nanoparticle induced nanoionics effects on electrical conduction in strontium cerate and zirconate. J. Sol. Stat. Electrochem. 23, 953-963 (2019). [Download, Link]
S. Pandya, G. A. Velarde, R. Gao, A. Everhardt, R. Xu, J. T. Maher, J. C. Agar, L. W. Martin, Understanding the role of ferroelastic domains on the pyroelectric and electrocaloric effects in ferroelectric thin films. Adv. Mater. 31, 1803312 (2019). [Download, Link]
S. Shetty, A. R. Damodaran, K. Wang, Y. Yuan, V. Gopalan, L. W. Martin, S. Trolier-McKinstry, Relaxor behavior in ordered lead magnesium niobate (PbMg1/3Nb2/3O3) thin films. Adv. Funct. Mater. 29, 1804258 (2019). [Download, Link]
S. Pandya, G. Velarde, L. Zhang, L. W. Martin, Pyroelectric and electrocaloric effects in ferroelectric silicon-doped hafnium oxide thin films. Phys. Rev. Mater. 2, 124405 (2018). [Download, Link]
Z. Wang, B. Crafton, J. Gomez, R. Xu, A. Luo, Z. Krivokapic, L. W. Martin, S. Datta, A. Raychowdhury, A. Islam Khan, Experimental demonstration of ferroelectric spiking neurons for unsupervised clustering (13.3). Proc. International Electron Devices Meeting (IEDM) (IEEE, 2018) [Download, Link]
T. C. Kaspar, P. V. Sushko, S. R. Spurgeon, M. E. Bowden, D. J. Keavney, R. B. Comes, S. Saremi, L.W. Martin, S. A. Chambers, Electronic structure and band alignment of LaMnO3/SrTiO3 polar/non-polar heterojunctions. Adv. Mater. Inter. 6, 1801428 (2018). [Download, Link]
A. V. Ievlev, C. Brown, J. C. Agar, G. A. Velarde, L. W. Martin, P. Maksymovych, S. V. Kalinin, O. S. Ovchinnikova, Nanoscale electrochemical phenomena of polarization switching in ferroelectrics. ACS Appl. Mater. Inter. 10, 38217-38222 (2018). [Download, Link]
S. Das, A. Ghosh, M. R. McCarter, S.-L. Hsu, Y.L. Tang, A. R. Damodaran, R. Ramesh, L. W. Martin, Perspective: Emergent topologies in oxide superlattices. APL Mater. 6, 100901 (2018). (Invited perspective) [Download, Link]
L. W. Martin, A. M. Rappe, Functional ceramic materials in K. Alberi, M. B. Nardelli, A. Zakutayev, L. Mitas, S. Curtarolo, A. Jain, M. Fornari, N. Marzari, I. Takeuchi, M. L. Green, M. Kanatzidis, M. F. Toney, S. Butenko, B. Meredig, S. Lany, U. Kattner, A. Davydov, E. S. Torberer, V. Stevanovic, A. Walsh, N.-G. Park, A. Aspuru-Guzik, D. P. Tabor, J. Nelson, J. Murphy, A. Setlur, J. Gregoire, H. Li, R. Xiao, A. Ludwig, L. W. Martin, A. M. Rappe, S.-H. Wei, J. Perkins, The 2019 Materials by Design Roadmap. J. Phys. D. 52, 013001 (2018). (Invited perspective) [Download, Link]
J. S. Lim, J. H. Lee, R. Gao, T. Y. Koo, L. W. Martin, R. Ramesh, C.-H. Yang, Ultrafast collective oxygen-vacancy flow in Ca-doped BiFeO3. NPG Asia Mater. 10, 943-955 (2018). [Download, Link]
A. Dasgupta, S. Saremi, R. Xu, L. R. Dedon, S. Pandya, A. R. Damodaran, L. W. Martin, Nonstoichiometry, structure, and properties of Ba1-xTiO3-y thin films. J. Mater. Chem. C 6, 10751-10759 (2018). [Download, Link]
S. Zhang, H. Y. Xiao, S. M. Peng, G. X. Yang, Z. J. Liu, X. T. Zu, S. Li, D. J. Singh, L. W. Martin, L. Qiao, Band-gap reduction in (BiCrO3)m/(BiFeO3)n Superlattices: Designing new low-band-gap ferroelectrics. Phys. Rev. Appl. 10, 044004 (2018). [Download, Link]
T. Angsten, L. W. Martin, M. Asta, Electronic and polar properties of vanadate compounds stabilized by epitaxial strain. Chem. Mater. 30, 5870-5877 (2018). [Download, Link]
Z. Chen, Z. Chen, C.-Y. Kuo, Y. Tang, L. R. Dedon, Q. Li, L. Zhang, C. Klewe, Y.-L. Huang, B. Prasad, A. Farhan, M. Yang, J. D. Clarkson, S. Das, S. Manipatruni, A. Tanaka, P. Shafer, E. Arenholz, A. Scholl, Y.-H. Chu, Z. Q. Qiu, Z. Hu, L.-H. Tjeng, R. Ramesh, L.-W. Wang, L. W. Martin, Complex strain evolution of polar and magnetic order in multiferroic BiFeO3 thin films. Nature Commun. 9, 3764 (2018). [Download, Link]
Z. Gu, S. Pandya, A. Samanta, A. R. Damodaran, C. J. G. Meyers, G. Xiao, S. Liu, A. Dasguta, S. Saremi, L. Wu, A. Podpirka, A. Will-Cole, C. J. Hawley, P. K. Davies, R. A. York, I. Grinberg, L. W. Martin, J. E. Spanier, Resonant domain-wall-enhanced tunable microwave ferroelectrics. Nature 560, 622-627 (2018). [Download, Link]
S. Saremi, R. Xu, F. Allen, J. Maher, J. C. Agar, P. Hosemann, L. W. Martin, Local control of defects and switching properties in ferroelectric thin films. Phys. Rev. Mater. 2, 084414 (2018). [Download, Link]
J. C. Agar, Y. Cao, B. Naul, S. Pandya, S. van der Walt, A. I. Luo, J. T. Maher, A. R. Damodaran, N. Balke, S. Jesse, S. V. Kalinin, R. K. Vasudevan, L. W. Martin, Machine detection of enhanced electromechanical energy conversion in PbZr0.2Ti0.8O3 thin films. Adv. Mater. 30, 1800701 (2018). [Download, Link]
J. Xiao, H. Zhu, Y. Wang, W. Fang, Y. Hu, A. Dasgupta, Y. Han, Y. Wang, D. A. Muller, L. W. Martin, P. A. Hu, X. Zhang, Intrinsic two-dimensional ferroelectricity with dipole locking. Phys. Rev. Lett. 120, 227601 (2018). [Download, Link]
R. Xu, R. Gao, S. E. Reyes-Lillo, S. Saremi, Y. Dong, H. Lu, Z. Chen, X. Lu, Y. Qi, S.-L. Hsu, A. R. Damodaran, H. Zhou, J. B. Neaton, L. W. Martin, Reducing coercive-field scaling in ferroelectric thin films via orientational control. ACS Nano 12, 4736-4743 (2018). [Download, Link]
L. M. Zheng, X. R. Wang, W. M. Lu, C. J. Li, T. R. Paudel, Z. Q. Liu, Z. Huang, S. W. Zeng, K. Han, Z. H. Chen, X. Qiu, M. S. Li, S. Yang, B. Yang, M. Chisholm, L. W. Martin, S. Pennycook, E. Y. Tsymbal, J. M. D. Coey, W. W. Cao, Ambipolar ferromagnetism by electrostatic doping of a manganite. Nature Commun. 9, 1897 (2018). [Download, Link]
P. Shafer, P. Garcia-Fernandez, P. Aguado-Puente, A. R. Damodaran, A. J. Yadav, C. T. Nelson, S.-L. Hsu, J. C. Wojdel, J. Iniguez, L. W. Martin, E. Arenholz, J. Junquera, R. Ramesh, Emergent chirality in polar vortex superlattices. Proc. Nat. Acad. Sci. 115, 915-920 (2018). [Download, Link]
L. R. Dedon, Z. Chen, R. Gao, Y. Qi, E. Arenholz, L. W. Martin, Strain-driven phase competition near the antipolar-nonpolar phase boundary in Bi0.7La0.3FeO3 thin films. ACS Appl. Mater. Inter. 10, 14914-14921 (2018). [Download, Link]
S. Pandya, J. Wilbur, J. Kim, R. Gao, A. Dasgupta, C. Dames, L. W. Martin, Pyroelectric energy conversion with large energy and power density in relaxor ferroelectric thin films. Nature Mater. 17, 432-438 (2018). [Download, Link]
A. V. Ievlev, C. Brown, M. J. Burch, J. C. Agar, G. A Velarde, L. W. Martin, P. Maksymovych, S. V. Kalinin, O. S. Ovchinnikova, Chemical phenomena of atomic force microscopy scanning. Anal. Chem. 90, 3475-3481 (2018). [Download, Link]
A. V. Ievlev, M. Chyasnavichyus, D. Leonard, J. C. Agar, G. A. Velarde, L. W. Martin, S. V. Kalinin, P. Maksymovych, O. S. Ovchinnikova, Subtractive fabrication of ferroelectric thin films with precisely controlled thickness. Nanotechnol. 29, 155302 (2018). [Download, Link]
S. Saremi, A. Dasgupta, R. Gao, L. W. Martin, New facets for the role of defects in ceramics. Am. Ceram. Soc. Bull. 97, 16-23 (2018). (Invited feature, cover story) [Download, Link]
S. Saremi, R. Xu, L. R. Dedon, L. W. Martin, Electronic transport and ferroelectric switching in ion-bombarded, defected-engineered BiFeO3 thin films. Adv. Mater. Inter. 5, 1700991 (2017). [Download, Link]
A. I. Khan, M. Hoffmann, K. Chatterjee, Z. Lu, R. Xu, C. Serrao, S. Smith, L. W. Martin, C. C. Hu, R. Ramesh, S. Salahuddin, Differential voltage amplification induced by ferroelectric negative capacitance. Appl. Phys. Lett. 111, 253501 (2017). [Download, Link]
Y. Zhu, F. Chen, J. Park, K. Sasikuman, B. Hu, A. R. Damodaran, I. W. Jung, M. J. Highland, Z. Cai, I.-C. Tung, D. A. Walko, J. W. Freeland, L. W. Martin, S. K. R. S. Sankaranarayanan, P. G. Evans, A. M. Lindenberg, H. Wen, Structural imaging of nanoscale phonon transport in ferroelectrics excited by metamaterial-enhanced terahertz fields. Phys. Rev. Mater. 1, 060601 (2017). [Download, Link]
Q. Li, C. T. Nelson, S.-L. Hsu, A. R. Damodaran, A. K. Yadav, M. McCarter, L. W. Martin, R. Ramesh, S. V. Kalinin, Unravelling flexoelectricity in PbTiO3/SrTiO3 superlattice polar vortices via machine learning-informed phase-field modeling. Nature Commun. 8, 1468 (2017). [Download, Link]
S. Pandya, L. W. Martin, Epitaxy on polycrystalline substrates. Science 358, 587-588 (2017). (Invited perspective) [Download, Link]
Z. Chen, Z. Liu, Z. Chen, M. E. Holtz, C. Li, X. R. Wang, W. Lu, L. S. Fan, L. R. Dedon, C. Federick, R. Gao, R. Xu, A. T. N’Diaye, E. Arenholz, J. A. Mundy, T. Venkatesan, D. A. Muller, L.-W. Wang, J. Liu, L. W. Martin, Electron accumulation and emergent magnetism in LaMnO3/SrTiO3 heterostructures. Phys. Rev. Lett. 119, 156801 (2017). [Download, Link]
A. R. Damodaran, S. Pandya, J. C. Agar, Y. Cao, R. K. Vasudevan, R. Xu, S. Saremi, Q. Li, J. Kim, M. R. McCarter, L. R. Dedon, T. Angsten, N. Balke, S. Jesse, M. Asta, S. V. Kalinin, L. W. Martin, Three-state ferroelectric switching and large electromechanical responses in PbTiO3 thin films. Adv. Mater. 29, 1702069 (2017). [Download, Link]
A. R. Damodaran, J. Clarkson, Z. Hong, H. Liu, A. K. Yadav, C. T. Nelson, S.-L. Hsu, M. R. McCarter, K.-D. Park, V. Kravtsov, A. Farhan, Y. Dong, Z. Cai, H. Zhou, P. Aguado-Puente, P. Garcia-Fernandez, J. Iniguez, J. Junquera, A. Scholl, M. B. Raschke, L.-Q. Chen, D. D. Fong, R. Ramesh, L. W. Martin, Phase coexistence and electric-field control of toroidal order in oxide superlattices. Nature Mater. 16, 1003-1009 (2017). [Download, Link]
R. Gao, S. E. Reyes-Lillo, R. Xu, A. Dasgupta, Y. Dong, L. R. Dedon, J. Kim, S. Saremi, Z. H. Chen, C. R. Serrao, H. Zhou, J. B. Neaton, L. W. Martin, Ferroelectricity in Pb1+δZrO3 thin films. Chem. Mater. 29, 6544-6551 (2017). [Download, Link]
T. Angsten, L. W. Martin, M. Asta, Orientation-dependent properties of epitaxially strained perovskite oxide thin films: insights from first-principles calculations. Phys. Rev. B 95, 174110 (2017). [Download, Link]
K. T. Faber, T. Asefa, M. Backhaus-Ricoult, R. Brow, J. Y. Chan, S. Dillon, W. G. Fahrenholtz, M. W. Finnis, J. E. Garay, R. E. García, Y. Gogotsi, S. M. Haile, J. Halloran, J. Hu, L. Huang, S. D. Jacobsen, E. Lara-Curzio, J. LeBeau, W. E. Lee, C. G. Levi, I. Levin, J. A. Lewis, D. M. Lipkin, K. Lu, J. Luo, J.-P. Maria, L. W. Martin, S. Martin, G. Messing, A. Navrotsky, N. P. Padture, C. Randall, G. S. Rohrer, A. Rosenflanz, T. A. Schaedler, D. G. Schlom, A. Sehirlioglu, A. Stevensen, T. Tani, V. Tikare, S. Trolier-McKinstry, H. Wang, B. Yildiz, The role of ceramic and glass science research in meeting societal challenges: report from an NSF sponsored workshop. J. Am. Ceram. Soc. 100, 1777-1803 (2017). [Download, Link]
A. R. Damodaran*, S. Pandya*, Y. Qi, S.-L. Hsu, S. Liu, C. T. Nelson, J. Zhang, L. Dedon, P. Ercius, C. Ophus, J. C. Agar, H. Lu, Z. Chen, A. M. Minor, I. Grinberg, A. M. Rappe, L. W. Martin, Temperature-stable, high-tunability dielectrics via composition and polarization gradients. Nature Commun. 8, 14961 (2017). [Download, Link]
Z. Hong, A. R. Damodaran, F. Xue, S.-L. Hsu, J. Britson, A. K. Yadav, C. T. Nelson, J. Wang, J. F. Scott, L. W. Martin, R. Ramesh, L.-Q. Chen, Stability of polar vortex lattice in ferroelectric superlattices. Nano Lett. 17, 2246-2252 (2017). [Download, Link]
S. P. Rogers, R. Xu, S. Pandya, L. W. Martin, M. Shim, Slow conductance relaxation in graphene-ferroelectric field-effect transistors. J. Phys. Chem. C 121, 7542-7548 (2017). [Download, Link]
S. Pandya, J. D. Wilbur, B. Bhatia, A. R. Damodaran, C. Monachon, A. Dasgupta, W. P. King, C. Dames, L. W. Martin, Direct measurement of pyroelectric and electrocaloric effects in thin films. Phys. Rev. Appl. 7, 034025 (2017). [Download, Link]
Y. Chen, F. Ke, P. Ci, C. Ko, T. Park, S. Saremi, H. Liu, Y. Lee, J. Shi, L. W. Martin, J. W. Ager, B. Chen, J. Wu, Pressurizing field-effect transistors of few-layer MoS2 in a diamond anvil cell. Nano Lett. 17, 194-199 (2017). [Download, Link]
B. Bhatia, H. Cho, J. Karthik, J. Choi, D. G. Cahill, L. W. Martin, W. P. King, High power density pyroelectric energy conversion in nanometer-thick BaTiO3 films. Nano. Micro. Thermophys. Eng. 20, 137-146 (2016). [Download, Link]
S. Saremi, R. Xu, L. R. Dedon, J. M. Mundy, S.-L. Hsu, Z. Chen, A. R. Damodaran, S. P. Chapman, J. T. Evans, L. W. Martin, Enhanced electrical resistivity and properties via ion bombardment of ferroelectric thin films. Adv. Mater. 26, 10750-10756 (2016). [Download, Link]
F. Chen, Y. Zhu, S. Liu, Y. Qi, H. Hwang, N. C. Brandt, J. Lu, F. Quirin, H. Enquist, P. Zalden, T. Hu, J. Goodfellow, M. C. Hoffman, D. Zhu, H. Lemke, J. Glowina, M. Chollet, A. R. Damodaran, J. Park, Z. Cai, I. W. Jung, M. J. Highland, D. A. Walko, J. W. Freeland, P. G. Evans, A. Vailionis, J. Larsson, K. Nelson, A. M. Rappe, K. Sokolowski-Tinten, L. W. Martin, H. Wen, A. M. Lindenberg, Ultrafast terahertz-field-driven ionic response in ferroelectric BaTiO3. Phys. Rev. B 94, 180104(R) (2016). [Download, Link]
Z. Chen, X. Wang, Y. Qi, S. Yang, J. A. N. T. Soares, B. A. Apgar, R. Gao, R. Xu, Y. Lee, X. Zhang, J. Yao, L. W. Martin, Self-assembled, tunable metamaterials via spinodal decomposition. ACS Nano 10, 10237-10244 (2016). [Download, Link]
L. W. Martin, A. M. Rappe, Thin-film ferroelectric materials and devices. Nature Rev. Mater. 1, 16087 (2016). (Invited review) [Download, Link]
H. Lu, B. Wang, T. Li, A. Lipatov, H. Lee, A. Rajapitamahuni, R. Xu, X. Hong, B. Noheda, L. W. Martin, C.-B. Eom, L.-Q. Chen, A. Sinitskii, A. Gruverman, Domain engineering in ferroelectric capacitors with graphene electrodes. Nano Lett. 16, 6460-6466 (2016). [Download, Link]
J. C. Agar, S. Pandya, R. Xu, A. K. Yadav, S. Saremi, T. Angsten, M. D. Asta, R. Ramesh, L. W. Martin, Frontiers in multifunctional ferroic materials. MRS Commun. 6, 151-166 (2016). (Invited prospective) [Download, Link]
M. Brahlek, L. Zhang, H.-T. Zhang, J. Lapano, L. R. Dedon, L. W. Martin, R. Engel-Herbert, Mapping growth windows in quaternary perovskite oxide systems by hybrid molecular beam epitaxy. Appl. Phys. Lett. 109, 101903 (2016). [Download, Link]
L. R. Dedon, A. R. Damodaran, Z. Chen, S. Saremi, R. Gao, B. A. Apgar, L. W. Martin, Stoichiometry control of domain structure and electronic, dielectric, and ferroelectric properties of BiFeO3 films. Chem. Mater. 28, 5952-5961 (2016). [Download, Link]
R. Gao, Y. Dong, H. Xu, H. Zhou, Y. Yuan, V. Gopalan, C. Gao, D. D. Fong, Z. H. Chen, Z. Luo, L. W. Martin, Interfacial octahedral rotation mismatch control of the symmetry and properties of SrRuO3. ACS Appl. Mater. Inter. 8, 14871-14878 (2016). [Download, Link]
A. Tselev, P. Yu, Y. Cao, L. R. Dedon, L. W. Martin, S. V. Kalinin, P. Maksymovych, Microwave a.c. conductivity of domain walls in ferroelectric thin film. Nature Commun. 7, 11630 (2016). [Download, Link]
S. Pandya, A. R. Damodaran, R. Xu, S. L. Hsu, J. C. Agar, L. W. Martin, Strain-induced instability and surface patterning in perovskite thin films. Sci. Rep. 6, 26075 (2016). [Download, Link]
J. H. Hinnefeld, R. Xu, S. Rogers, M. Shim, L. W. Martin, N. Mason, Single gate p-n junctions in graphene-ferroelectric devices. Appl. Phys. Lett. 108, 203109 (2016). [Download, Link]
A. R. Damodaran, J. C. Agar, S. Pandya, Z. Chen, L. Dedon, R. Xu, B. Apgar, S. Saremi, L. W. Martin, New modalities of strain-control of ferroelectric thin films. J. Phys. Condens. Matter 28, 263001 (2016). (Invited review) [Download, Link]
J. C. Agar, A. R. Damodaran, M. B. Okatan, J. Kacher, C. Gammer, R. K. Vasudevan, S. Pandya, R. V. K. Mangalam, G. A. Velarde, S. Jesse, N. Balke, A. M. Minor, S. V. Kalinin, L. W. Martin, Highly-mobile ferroelastic domain walls in compositionally-graded ferroelectric thin films. Nature Mater. 15, 549-556 (2016). [Download, Link]
M. L. Jablonski, S. Liu, C. R. Winkler, J. L. Hart, A. R. Damodaran, I. Grinberg, L. W. Martin, A. M. Rappe, M. L. Taheri, Asymmetric response of ferroelastic domain wall motion under applied bias. ACS Appl. Mater. Inter. 8, 2935-2941 (2016). [Download, Link]
A. K. Yadav, C. T. Nelson, S. L. Hsu, Z. Hong, J. Clarkson, C. Schlepuetz, A. R. Damodaran, P. Shafer, E. Arenholz, L. R. Dedon, A. Vishwanath, A. M. Minor, L. Q. Chen, J. F. Scott, L. W. Martin, R. Ramesh, Observation of polar vortices in oxide superlattices. Nature 530, 198-201 (2016). [Download, Link]
M. A. Islam, D. Saldana-Greco, Z. Gu, E. Breckenfeld, Q. Lei, F. Wang, R. Xu, C. J. Hawley, X. X. Xi, L. W. Martin, A. M. Rappe, J. E. Spanier, Chemically-switchable ultraviolet luminescence from interfacial two-dimensional electron gas. Nano Lett. 16, 681-687 (2016). [Download, Link]
J. Zhang, J. C. Agar, L. W. Martin, Structural phase diagram and pyroelectric properties of free-standing ferroelectric/non-ferroelectric multilayer structures. J. Appl. Phys. 118, 244101 (2015). [Download, Link]
F. Chen, J. Goodfellow, S. Liu, I. Grinberg, M. C. Hoffmann, A. R. Damodaran, Y. Zhu, X. Zhang, I. Takeuchi, A. Rappe, L. W. Martin, H. Wen, A. M. Lindenberg, Ultra-fast terahertz gating of polarization and giant nonlinear optical response in BiFeO3 thin films. Adv. Mater. 27, 6371-6375 (2015). [Download, Link]
Z. Chen, J. Liu, Y. Qi, D. Chen, A. R. Damodaran, X. He, R. Xu, A. T. N’Diaye, A. Rockett, L. W. Martin, 180° ferroelectric stripe nanodomains in BiFeO3 thin films. Nano Lett. 15, 6506-6513 (2015). [Download, Link]
J. C. Agar, A. R. Damodaran, S. Pandya, R. V. K. Mangalam, L. W. Martin, Complex evolution of built-in potential in compositionally-graded PbZr1-xTixO3 heterostructures. ACS Nano 9, 7332-7342 (2015). [Download, Link]
H.-T. Zhang, L. R. Dedon, L. W. Martin, R. Engel-Herbert, Self-regulated growth of LaVO3 thin films by hybrid molecular beam epitaxy. Appl. Phys. Lett. 106, 233102 (2015). [Download, Link]
J. A. Moyer, R. Gao, P. Schiffer, L. W. Martin, Epitaxial growth of highly-crystalline spinel ferrite thin films on perovskite substrates for all-oxide devices. Sci. Rep. 5, 10363 (2015). [Download, Link]
I. Gaponenko, P. Tuckmantel, J. Karthik, L. W. Martin, P. Paruch, Towards reversible control of domain wall conduction in Pb(Zr0.2Ti0.8)O3 thin films. Appl. Phys. Lett. 106, 162902 (2015). [Download, Link]
R. Xu, J. Zhang, Z. Chen, J. Karthik, L. W. Martin, Orientation-dependent structural phase diagrams and dielectric properties of PbZr1-xTixO3 polydomain thin films. Phys. Rev. B 91, 144106 (2015). [Download, Link]
S. R. Spurgeon, P. V. Balachandran, D. M. Kepaptsoglou, A. R. Damodaran, J. Karthik, S. Nejati, L. Jones, H. Ambaye, V. Lauter, Q. M. Ramasse, K. K. S. Lau, L. W. Martin, J. M. Rondinelli, M. L. Taheri. Polarization screening-induced magnetic phase gradients at complex oxide interfaces, Nature Commun. 6, 6735 (2015). [Download, Link]
R. B. Wilson, B. A. Apgar, W.-P. Hsieh, L. W. Martin, D. G. Cahill, Thermal conductance of strongly bonded metal-oxide interfaces. Phys. Rev. B 91, 115414 (2015). [Download, Link]
R. Comes, S. Y. Smolin, T. C. Kaspar, R. Gao, B. A. Apgar, L. W. Martin, M. E. Bowden, J. B. Baxter, S. A. Chambers, Visible light carrier generation in co-doped epitaxial titanate films. Appl. Phys. Lett. 106, 092901 (2015). [Download, Link]
S. Lee, A. R. Damodaran, P. Gorai, N. Oh, J. Moyer, J.-H. Kwon, N. Ferdous, A. Shah, Z. Chen, E. Breckenfeld, R. V. K. Mangalam, P. V. Braun, P. Schiffer, M. Shim, J.-M. Zuo, E. Ertekin, L. W. Martin, A novel layered-phase in Ti-rich SrTiO3 epitaxial thin films. Adv. Mater. 27, 861-858 (2015). [Download, Link]
J. A. Moyer, S. Lee, P. Schiffer, L. W. Martin, Magnetically disordered phase in epitaxial iron-deficient Fe3O4 thin films. Phys. Rev. B 91, 064413 (2015). [Download, Link]
C. Baeumer, D. Saldana-Greco, J. M. P. Martirez, A. M. Rappe, M. Shim, L. W. Martin, Ferroelectrically driven spatial carrier density modulation in graphene. Nature Commun. 6, 6136 (2015). [Download, Link]
R. Xu, S. Liu, I. Grinberg, J. Karthik, A. R. Damodaran, A. M. Rappe, L. W. Martin, Ferroelectric polarization reversal via successive ferroelastic transitions. Nature Mater. 14, 79-86 (2015). [Download, Link]
R. H. Haasch, E. Breckenfeld, L. W. Martin, Single crystal rare-earth scandate perovskites analyzed using X-ray photoelectron spectroscopy: 5. DyScO3 (110). Surf. Sci. Spectra 21, 165-172 (2014). [Download, Link]
R. H. Haasch, E. Breckenfeld, L. W. Martin, Single crystal rare-earth scandate perovskites analyzed using X-ray photoelectron spectroscopy: 4. TbScO3 (110). Surf. Sci. Spectra 21, 157-164 (2014). [Download, Link]
R. H. Haasch, E. Breckenfeld, L. W. Martin, Single crystal rare-earth scandate perovskites analyzed using X-ray photoelectron spectroscopy: 3. GdScO3 (110). Surf. Sci. Spectra 21, 149-156 (2014). [Download, Link]
R. H. Haasch, E. Breckenfeld, L. W. Martin, Single crystal rare-earth scandate perovskites analyzed using X-ray photoelectron spectroscopy: 2. NdScO3 (110). Surf. Sci. Spectra 21, 140-148 (2014). [Download, Link]
R. H. Haasch, E. Breckenfeld, L. W. Martin, Single crystal rare-earth scandate perovskites analyzed using X-ray photoelectron spectroscopy: 1. PrScO3 (110). Surf. Sci. Spectra 21, 131-139 (2014). [Download, Link]
R. H. Haasch, E. Breckenfeld, L. W. Martin, Single crystal perovskites analyzed using X-ray photoelectron spectroscopy: 5. NdGaO3 (110). Surf. Sci. Spectra 21, 122-130 (2014). [Download, Link]
R. H. Haasch, E. Breckenfeld, L. W. Martin, Single crystal perovskites analyzed using X-ray photoelectron spectroscopy: 4. (LaAlO3)0.3(Sr2TaAlO6)0.7 (001). Surf. Sci. Spectra 21, 112-121 (2014). [Download, Link]
R. H. Haasch, E. Breckenfeld, L. W. Martin, Single crystal perovskites analyzed using X-ray photoelectron spectroscopy: 3. LaAlO3 (001). Surf. Sci. Spectra 21, 103-111 (2014). [Download, Link]
R. H. Haasch, E. Breckenfeld, L. W. Martin, Single crystal perovskites analyzed using X-ray photoelectron spectroscopy: 2. YAlO3 (110). Surf. Sci. Spectra 21, 95-102 (2014). [Download, Link]
R. H. Haasch, E. Breckenfeld, L. W. Martin, Single crystal perovskites analyzed using X-ray photoelectron spectroscopy: 1. SrTiO3 (001). Surf. Sci. Spectra 21, 87-94 (2014). [Download, Link]
R. H. Haasch, E. Breckenfeld, L. W. Martin, An introduction to single crystal perovskites and single crystal rare-earth scandate perovskites analyzed using X-ray photoelectron spectroscopy. Surf. Sci. Spectra 21, 84-86 (2014). [Download, Link]
E. Breckenfeld, Z. Chen, A. R. Damodaran, L. W. Martin, Effects of nonequilibrium growth, non-stoichiometry, and film orientation on the metal-to-insulator transition in NdNiO3 thin films. ACS Appl. Mater. Inter. 6, 22436-22444 (2014). [Download, Link]
B. Bhatia, A. R. Damodaran, H. Cho, L. W. Martin, W. P. King, High-frequency thermal-electrical cycles for pyroelectric energy conversion. J. Appl. Phys. 116, 194509 (2014). [Download, Link]
T. Tong, J. Karthik, L. W. Martin, D. G. Cahill, Secondary effects in wide frequency range measurements of the pyroelectric coefficient of Ba0.6Sr0.4TiO3 and PbZr0.2Ti0.8O3 epitaxial layers. Phys. Rev. B 90, 155423 (2014). [Download, Link]
E. Breckenfeld, N. Bronn, N. Mason, L. W. Martin, Tunability of conduction at the LaAlO3/SrTiO3 heterointerface: thickness and compositional studies. Appl. Phys. Lett. 105, 121610 (2014). [Download, Link]
T. Tong, J. Karthik, R. V. K. Mangalam, L. W. Martin, D. G. Cahill, Reduction of the electrocaloric entropy change of ferroelectric PbZr1-xTixO3 epitaxial layers due to an elastocaloric effect. Phys. Rev. B 90, 094116 (2014). [Download, Link]
A. R. Damodaran, E. Breckenfeld, Z. Chen, S. Lee, L. W. Martin, Enhancement of ferroelectric Curie temperature in BaTiO3 films via strain-induced defect-dipole alignment. Adv. Mater. 26, 6341-6347 (2014). [Download, Link]
J. C. Agar, R. V. K. Mangalam, A. R. Damodaran, G. Velarde, J. Karthik, M. B. Okatan, Z. H. Chen, S. Jesse, N. Balke, S. V. Kalinin, L. W. Martin, Tuning susceptibility via misfit strain in relaxed morphotropic phase boundary PbZr1-xTixO3 epitaxial thin films. Adv. Mater. Interfaces 1, 1400098 (2014). [Download, Link]
C. Dagdeviren, Y. Su, P. Joe, R. Yona, Y. H. Liu, Y.-S. Kim, Y.-A. Huang, A. R. Damodaran, J. Xia, L. W. Martin, Y. Huang, J. A. Rogers, Conformable amplified lead zirconate titanate sensors with enhanced piezoelectric response for cutaneous pressure monitoring. Nature Commun. 5, 4496 (2014). [Download, Link]
M. T. Kesim, J. Zhang, S. P. Alpay, L. W. Martin, Enhanced electrocaloric and pyroelectric response from ferroelectric multilayers. Appl. Phys. Lett. 105, 052901 (2014). [Download, Link]
J. Zhang, R. Xu, A. R. Damodaran, Z.-H. Chen, L. W. Martin, Understanding order in compositionally-graded ferroelectrics: flexoelectricity, gradient, and depolarization field effects. Phys. Rev. B 89, 224101 (2014). [Download, Link]
J. C. T. Lee, A. R. Damodaran, R. Ramesh, L. W. Martin, P. Abbamonte, X-ray diffraction studies of stripelike ferroelectric domains in thin films of BiFeO3. Phys. Rev. B 89, 214104 (2014). [Download, Link]
C. R. Winkler, M. L. Jablonski, K. Ashraf, A. R. Damodaran, J. Karthik, J. L. Hart, J. G. Wen, D. Miller, L. W. Martin, S. Salahuddin, M. L. Taheri, Real-time observation of local strain effects on nonvolatile ferroelectric memory storage mechanisms. Nano Lett. 14, 3617-3622 (2014). [Download, Link]
M. Kozina, T. Hu, J. S. Wittenberg, E. Szilagyi, M. Trigo, T. A. Miller, C. Uher, A. R. Damodaran, L. W. Martin, A. Mehta, J. Corbett, J. Safranek, D. A. Reis, A. M. Lindenberg, Measurement of transient atomic displacements in thin films with picosecond and femtometer resolution. Struct. Dyn. 1, 034301 (2014). [Download, Link]
Z. H. Chen, A. R. Damodaran, R. Xu, S. Lee, L. W. Martin, Effect of “symmetry mismatch” on the domain structure of rhombohedral BiFeO3 thin films. Appl. Phys. Lett. 104, 182908 (2014). [Download, Link]
P. Brinks, B. Kuiper, E. Breckenfeld, G. Koster, L. W. Martin, G. Rijnders, M. Huijben, Enhanced thermoelectric power factor of NaxCoO2 thin films by structural engineering. Adv. Energy Mater. 4, 1301927 (2014). [Download, Link]
S. L. Gleason, T. Byrum, Y. Gim, A. Thaler, P. Abbamonte, G. J. MacDougall, L. W. Martin, H. D. Zhou, S. L. Cooper, Magnon spectra and strong spin-lattice coupling in magnetically frustrated MnB2O4 (B = Mn, V): Inelastic light scattering studies. Phys. Rev. B. 89, 134402 (2014). [Download, Link]
B. Apgar, L. W. Martin, Understanding the competition between epitaxial strain and thermodynamics in TiO2: structural, morphological, and property evolution. Cryst. Growth Des. 14, 1981-1988 (2014). [Download, Link]
S. R. Spurgeon, J. D. Sloppy, C. R. Winkler, M. Jablonski, D. Kepaptsoglou, P. Balachandran, S. Nejati, J. Karthik, A. R. Damodaran, C. L. Johnson, H. Ambaye, R. Goyette, V. Lauter, Q. Ramasse, J. C. Idrobo, K. S. Lau, S. E. Lofland, J. Rondinelli, L. W. Martin, M. L. Taheri. Thickness-dependent crossover from charge- to strain-mediated magnetoelectric coupling in ferromagnetic/piezoelectric oxide heterostructures. ACS Nano 8, 894-903 (2014). [Download, Link]
R. Xu, J. Karthik, A. R. Damodaran, L. W. Martin, Stationary domain wall contributions to enhanced ferroelectric susceptibilities. Nature Commun. 5, 3120 (2014). [Download, Link]
R. V. K. Mangalam, J. C. Agar, A. R. Damodaran, J. Karthik, L. W. Martin, Improved pyroelectric figures of merit in compositionally graded PbZr1-xTixO3 thin films. ACS Appl. Mater. Interfaces 5, 13235-13241 (2013). [Download, Link]
J. Rondinelli, N. A. Benedek, D. E. Freedman, A. Kavner, E. E. Rodriguez, E. S. Toberer, L. W. Martin, Accelerating functional materials discovery: insights from geological sciences, data-driven approaches, and computational advances. Amer. Ceram. Soc. Bulletin 92, 14-22 (2013). [Download, Link]
B. A. Apgar, S. Lee, L. Schroeder, L. W. Martin, Enhanced photoelectrochemical activity in all-oxide heterojunction devices based on correlated “metallic” oxides. Adv. Mater. 25, 6201-6206 (2013). [Download, Link]
E. Breckenfeld, A. B. Shah, L. W. Martin, Strain evolution in non-stoichiometric heteroepitaxial thin-film perovskites. J. Mater. Chem. C 1, 8052-8059 (2013). [Download, Link]
M. Huijben, P. Yu, L. W. Martin, H. J. A. Molegraaf, Y.-H. Chu, M. B. Holcomb, N. Balke, R. Ramesh, G. Rijnders, Ultrathin limit of exchange bias coupling at oxide multiferroic/ferromagnetic interfaces. Adv. Mater. 25, 4739-4745 (2013). [Download, Link]
E. Breckenfeld, R. Wilson, L. W. Martin, Effect of growth-induced (non)stoichiometry on the thermal conductivity, permittivity, and dielectric loss of LaAlO3 films. Appl. Phys. Lett. 103, 082901 (2013). [Download, Link]
S. Lee, B. Apgar, L. W. Martin, Strong visible-light absorption and hot-carrier injection in TiO2/SrRuO3 heterostructures. Adv. Energy Mater. 3, 1084-1090 (2013). [Download, Link]
P. C. Fletcher, V. K. R. Mangalam, L. W. Martin, W. P. King, Pyroelectric electron emission from nanometer-thick films of PbZrxTi1-xO3. Appl. Phys. Lett. 102, 193908 (2013). [Download, Link]
E. Breckenfeld, N. Bronn, J. Karthik, A. R. Damodaran, S. Lee, N. Mason, L. W. Martin, Effect of growth induced (non)stoichiometry on the structure and interfacial conductivity of LaAlO3/SrTiO3. Phys. Rev. Lett. 110, 196804 (2013). [Download, Link]
C. Baeumer, S. P. Rogers, R. Xu, L. W. Martin, M. Shim, Tunable carrier type and density in graphene/PbZr0.2Ti0.8O3 hybrid structures through ferroelectric switching. Nano Lett. 13, 1693-1698 (2013). [Download, Link]
P. C. Fletcher, V. K. R. Mangalam, L. W. Martin, W. P. King, Field emission from nanometer-scale tips of crystalline PbZrxTi1-xO3. J. Vac. Sci. Technol. B 31, 021805 (2013). [Download, Link]
R. V. K. Mangalam, J. Karthik, A. R. Damodaran, J. C. Agar, L. W. Martin, Unexpected crystal and domain structure and properties in compositionally graded PbZr1-xTixO3 thin films. Adv. Mater. 25, 1761-1767 (2013). [Download, Link]
J. Karthik, R. V. K. Mangalam, J. C. Agar, L. W. Martin, Large built-in electric fields due to flexoelectricity in compositionally graded ferroelectric thin films. Phys. Rev. B 87, 024111 (2013). [Download, Link]
J. Karthik, J. C. Agar, A. R. Damodaran, L. W. Martin, Effect of 90° domain walls and thermal expansion mismatch on the pyroelectric properties of epitaxial PbZr0.2Ti0.8O3 thin films. Phys. Rev. Lett. 109, 257602 (2012). [Download, Link]
R. B. Wilson, B. A. Apgar, L. W. Martin, D. G. Cahill, Thermoreflectance of metal transducers for optical pump-probe studies of thermal properties. Optics Express 20, 28829-28838 (2012). [Download, Link]
B. Bhatia, J. Karthik, T. Trong, D. G. Cahill, L. W. Martin, W. P. King, Pyroelectric current measurements on PbZr0.2Ti0.8O3 epitaxial layers. J. Appl. Phys.112, 104106 (2012). [Download, Link]
L. W. Martin, D. G. Schlom, Advanced synthesis techniques and routes to new multiferroics. Curr. Opin. Sol. Stat. Mater. Sci. 16, 199-215 (2012). (Invited review) [Download, Link]
C. R. Winkler, A. R. Damodaran, J. Karthik, M. Jablonski, L. W. Martin, M. L. Taheri, Accessing intermediate ferroelectric switching regimes with time-resolved TEM. J. Appl. Phys. 112, 052013 (2012). [Download, Link]
C. R. Winkler, A. R. Damodaran, J. Karthik, L. W. Martin, M. L. Taheri, Direct observation of ferroelectric domain switching in varying electric field regimes using in situ TEM. Micron 43, 1121-1126 (2012). [Download, Link]
R. Jackson, P. C. Fletcher, J. Karthik, A. R. Damodaran, J. N. Emmerich, H. Teng, W. P. King, L. W. Martin, Y. Wu, Electrical and thermal characterization of a ferroelectric thin film with an electro-thermal scanning probe. Rev. Sci. Instru. 83, 076105 (2012). [Download, Link]
P. Yu, W. Luo, J. X. Zhang, M. D. Rossell, C.-H. Yang, S. Y. Yang, Q. He, Q. M. Ramasse, R. Erni, L. W. Martin, Y. H. Chu, S. T. Pantelides, S. J. Pennycook, R. Ramesh, Interface control of bulk ferroelectric polarization. Proc. Nat. Acad. Sci. 109, 9710-9715 (2012). [Download, Link]
S. Polisetty, J. Zhou, J. Karthik, A. R. Damodaran, D. Chen, A. Scholl, L. W. Martin, M. Holcomb, Linear dichroism dependence on ferroelectric polarization. J. Phys. Condens. Matter 24, 245902 (2012). [Download, Link]
J. Karthik, A. R. Damodaran, L.W. Martin, Effect of 90° domain walls on the low-field permittivity of PbZr0.2Ti0.8O3 thin films. Phys. Rev. Lett. 108, 167601 (2012). [Download, Link]
J. Karthik, A. R. Damodaran, L. W. Martin, Epitaxial ferroelectric heterostructures fabricated by selective area epitaxy of SrRuO3 using an MgO mask. Adv. Mater. 24, 1610-1615 (2012). [Download, Link]
L. W. Martin, R. Ramesh, Multiferroic and magnetoelectric heterostructures. Acta Mater. 60, 2449-2470 (2012). (Invited review) [Download, Link]
A. R. Damodaran, E. Breckenfeld, A. K. Choquette, L. W. Martin, Stabilization of mixed-phase structure in highly-strained BiFeO3 thin films via chemical-alloying. Appl. Phys. Lett. 100, 082904 (2012). [Download, Link]
Q. He, C.-H. Yeh, J.-C. Yang, G. Singh-Bhalla, C.-W. Liang, P.-W. Chiu, G. Catalan, L. W. Martin, Y.-H. Chu, J. F. Scott, R. Ramesh, Magnetotransport at domain walls in BiFeO3. Phys. Rev. Lett. 108, 067203 (2012). [Download, Link]
E. Breckenfeld, R. Wilson, J. Karthik, A. R. Damodaran, D. G. Cahill, L. W. Martin, Effect of growth induced (non)stoichiometry on the structure, dielectric response, and thermal conductivity of SrTiO3 thin films. Chem. Mater. 24, 331-337 (2012). [Download, Link]
A. R. Damodaran, S. Lee, J. Karthik, S. MacLaren, L. W. Martin, Temperature and thickness evolution and epitaxial breakdown in in highly strained BiFeO3 thin films. Phys. Rev. B 85, 024113 (2012). [Download, Link]
B. Bhatia, J. Karthik, D. G. Cahill, L. W. Martin, W. P. King, High-temperature piezoresponse force microscopy. Appl. Phys. Lett. 99, 173103 (2011). [Download, Link]
M. Chi, J. P. Bradley, N. D. Browning, T. Mizoguchi, L. W. Martin, R. Ramesh, H. Ikeno, I. Tanaka, Atomic and electronic structures of SrVO3-LaAlO3 interface. J. Appl. Phys. [Download, Link]
J. Karthik, L. W. Martin, Effect of domain walls on the electrocaloric properties of Pb(Zr1-x,Tix)O3 thin films. Appl. Phys. Lett. 99, 032904 (2011). [Download, Link]
A. R. Damodaran, C.-W. Liang, Q. He, C.-Y. Peng, L. Chang, Y.-H. Chu, L. W. Martin, Nanoscale structure and mechanism for enhanced electromechanical response of highly-strained BiFeO3 thin film. Adv. Mater. 23, 3170-3175 (2011). [Download, Link]
L. W. Martin, Exciting new insight into the prototype complex oxide heterointerface: LaAlO3 / SrTiO3. Surf. Sci. 605, 1388-1389 (2011). (Invited perspective) [Download, Link]
J. Karthik, L. W. Martin, Evolution of pyroelectric properties in polydomain Pb(Zr1-x,Tix)O3 thin films. Phys. Rev. B 84, 024102 (2011). [Download, Link]
D.-W. Oh, J. Ravichandran, C.-W. Liang, W. Siemons, B. Jalan, C. M. Brooks, M. Huijben, D. G. Schlom, S. Stemmer, L. W. Martin, A. Majumdar, R. Ramesh, D. G. Cahill, Thermal conductivity as a metric for the crystalline quality of SrTiO3 epitaxial layers. Appl. Phys. Lett. 98, 221904 (2011). [Download, Link]
S. Lee, C.-W. Liang, L. W. Martin, Epitaxial control of Cu2O nanostructures via pulsed laser deposition. ACS Nano. 5, 3736-3743 (2011). [Download, Link]
S. C. Kehr, Y. Liu, L. W. Martin, P. Yu, M. Gajek, M. T. Wenzel, R. Jacob, H.-G. von Ribbeck, L. M. Eng, M. Helm, X. Zhang, R. Ramesh, Near-field examination of perovskite-based superlenses and superlens-enhanced probe-object coupling. Nature Commun. 2, 249 (2011). [Download, Link]
J. X. Zhang, B. Xiang, J. Seidel, R. J. Zeches, P. Yu, S. Y. Yang, C. H. Wang, Y.-H. Chu, L. W. Martin, A. Minor, R. Ramesh, Large field-induced strains in a lead-free piezoelectric material. Nature Nanotechnol. 6, 98-102 (2011). [Download, Link]
L. W. Martin, Engineering functionality in multiferroic BiFeO3 – controlling chemistry to enable advanced applications. Dalton Trans. 39, 10813-10826 (2010). (Invited perspective) [Download, Link]
N. Balke, M. Gajek, A. K. Tagantsev, L. W. Martin, Y.-H. Chu, R. Ramesh, S. V. Kalinin, Direct observation of capacitor switching using planar electrodes. Adv. Funct. Mater. 20, 3466-3475 (2010). [Download, Link]
M. C. Langner, C. L. S. Kantner, Y.-H. Chu, L. W. Martin, P. Yu, R. Ramesh, J. Orenstein, Effective thermal boundary resistance from thermal decoupling of magnons and phonons in SrRuO3 thin films. Phys. Rev. B 82, 054425 (2010). [Download, Link]
P. Yu, J.-S. Lee, S. Okamoto, M. D. Rossell, M. Huijben, C.-H. Yang, Q. He, J.-X. Zhang, S. Y. Yang, M. J. Lee, Q. M. Ramasse, R. Erni, Y.-H. Chu, D. A. Arena, C.-C. Kao, L. W. Martin, R. Ramesh, Interface ferromagnetism and orbital reconstruction in BiFeO3-La0.7Sr0.3MnO3 heterostructures. Phys. Rev. Lett. 105, 027201 (2010). [Download, Link]
L. W. Martin, Y.-H. Chu, R. Ramesh, Advances in the growth and characterization of magnetic, ferroelectric, and multiferroic oxide thin films. Mater. Sci. Eng. R 68, 89-133 (2010). (Invited review) [Download, Link]
D. Pantel, Y.-H. Chu, L. W. Martin, R. Ramesh, D. Hesse, M. Alexe, Switching kinetics in epitaxial BiFeO3 thin films. J. Appl. Phys. 107, 084111 (2010). [Download, Link]
M. B. Holcomb, L.W. Martin, A. Scholl, Q. He, P. Yu, C.-H. Yang, S. Y. Yang, P.-A. Glans, M. Valvidares, M. Huijben, J. B. Kortright, J. Guo, Y.-H. Chu, R. Ramesh, Probing the evolution of antiferromagnetism in multiferroics. Phys. Rev. B 81, 134406 (2010). [Download, Link]
S. Y. Yang, J. Seidel, S. J. Byrnes, P. Shafer, C.-H. Yang, M. D. Rossell, J. W. Ager III, L. W. Martin, R. Ramesh, Above-bandgap voltages from ferroelectric photovoltaic devices. Nature Nanotechnol. 5, 143-147 (2010). [Download, Link]
R. J. Zeches, M. D. Rossell, J. X. Zhang, A. J. Hatt, Q. He, C. H. Yang, A. Kumar, C. H. Wang, A. Melville, Y.-H. Chu, J. F. Ihlefeld, R. Erni, C. Ederer, V. Gopalan, L. Q. Chen, D. G. Schlom, N. A. Spaldin, L. W. Martin, R. Ramesh, A strain-driven morphotropic phase boundary in BiFeO3. Science 326, 977-980 (2009). [Download, Link]
S.-Y. Yang, L. W. Martin, S. J. Byrnes, T. E. Conry, S. R. Basu, D. Paran, L. Reichertz, J. F. Ihlefeld, C. Adamo, A. Melville, Y.-H. Chu, C.-H. Yang, J. L. Musfeldt, D. G. Schlom, J. W. Ager III, R. Ramesh, Photovoltaic effects in BiFeO3 thin films. Appl. Phys. Lett., 95, 062909 (2009). [Download, Link]
J. Zhang, M. Rutkowski, L. W. Martin, T. Conry, R. Ramesh, J. F. Ihlefeld, A. Melville, D. G. Schlom, L. J. Brillson, Surface, bulk, and interface electronic states of epitaxial BiFeO3 films. J. Vac. Sci. Technol. B 27, 2012-2014 (2009). [Download, Link]
M. O. Ramirez, A. Kumar, S. A. Denev, N. J. Podraza, X. S. Xu, R. C. Rai, Y.-H. Chu, J. Seidel, L. W. Martin, S. Y. Yang, E. Saiz, J. F. Ihlefeld, S. Lee, J. Klug, S. W. Cheong, M. J. Bedzyk, O. Auciello, D. G. Schlom, R. Ramesh, J. Orenstein, J. L. Musfeldt, V. Gopalan, Magnon sidebands and spin-charge coupling in bismuth ferrite probed by nonlinear optical spectroscopy. Phys. Rev. B 79, 224106 (2009). [Download, Link]
G. L. Yuan, L. W. Martin, R. Ramesh, A. Uedono, The dependence of oxygen vacancy distributions in BiFeO3 films on oxygen pressure and substrate. Appl. Phys. Lett. 95, 012904 (2009). [Download, Link]
L. Pintilie, C. Dragoi, Y.-H. Chu, L. W. Martin, R. Ramesh, M. Alexe, Orientation-dependent potential barriers in the case of epitaxial Pt-BiFeO3-SrRuO3 capacitors. Appl. Phys. Lett. 94, 232902 (2009). [Download, Link]
C.-H. Yang, J. Seidel, S.-Y. Kim, P. Rossen, P. Yu, M. Gajek, Y.-H. Chu, L. W. Martin, M. B. Holcomb, Q. He, P. Maksymovych, N. Balke, S. V. Kalinin, A. P. Baddorf, S. R. Basu, M. L. Scullin, R. Ramesh, Electric modulation of conduction in multiferroic Ca-doped BiFeO3 films. Nature Mater. 8, 485-493 (2009). [Download, Link]
M. C. Langner, C. L. S. Kantner, Y.-H. Chu, L. W. Martin, P. Yu, J. Seidel, R. Ramesh, J. Orenstein, Observation of ferromagnetic resonance in SrRuO3 by the time-resolved magneto-optical Kerr effect. Phys. Rev. Lett. 102, 177601 (2009). [Download, Link]
X. S. Xu, T. V. Brinzari, S. Lee, Y.-H. Chu, L. W. Martin, A. Kumar, S. McGill, R. C. Rai, R. Ramesh, V. Gopalan, S. W. Cheong, J. L. Musfeldt, Optical properties and magnetochromism in multiferroic BiFeO3. Phys. Rev. B 79, 134425 (2009). [Download, Link]
M. O. Ramirez, A. Kumar, S. A. Denev, Y.-H. Chu, J. Seidel, L. W. Martin, S. Y. Yang, R. C. Rai, X. S. Xue, J. F. Ihlefeld, N. J. Podraza, E. Saiz, S. Lee, J. Klug, S. W. Cheong, M. J. Bedzyk, O. Auciello, D. G. Schlom, J. Orenstein, R. Ramesh, J. L. Musfeldt, A. P. Litvinchuk, V. Gopalan, Spin-charge-lattice coupling through resonant multimagnon excitations in multiferroic BiFeO3. Appl. Phys. Lett. 94, 161905 (2009). [Download, Link]
Y.-H. Chu, Q. He, C.-H. Yang, P. Yu, L. W. Martin, P. Shafer, R. Ramesh, Nanoscale control of domain architectures in BiFeO3 thin films. Nano Lett. 9, 1726-1730 (2009). [Download, Link]
J. Seidel*, L.W. Martin*, Q. He, Q. Zhan, Y.-H. Chu, A. Rother, M. E. Hawkridge, P. Maksymovych, P. Yu, M. Gajek, N. Balke, S. V. Kalinin, S. Gemming, F. Wang, G. Catalan, J. F. Scott, N. A. Spaldin, J. Orenstein, R. Ramesh, Conduction at domain domain walls in multiferroics. Nature Mater. 8, 229-234 (2009). [Download, Link]
L. W. Martin, S. P. Crane, Y.-H. Chu, M. B. Holcomb, M. Gajek, M. Huijben, C.-H. Yang, N. Balke, R. Ramesh, Multiferroics and magnetoelectrics: Thin films and nanostructures. J. Phys. Condens. Matter 20, 434220 (2008). (Invited review) [Download, Link]
M. Huijben, L.W. Martin, Y.-H. Chu, M. B. Holcomb, P. Yu, G. Rijnders, D. H. A. Blank, R. Ramesh, Critical thickness and orbital ordering in ultrathin La0.7Sr0.3MnO3 films. Phys. Rev. B 78, 094413 (2008). [Download, Link]
L. W. Martin, Y.-H. Chu, M. B. Holcomb, M. Huijben, P. Yu, S. J. Han, D. Lee, S. X. Wang, R. Ramesh, Nanoscale control of exchange bias with BiFeO3 thin films. Nano Lett. 8, 2050-2055 (2008). [Download, Link]
A. Kumar, N.J. Podraza, S. Denev, J. Li, L.W. Martin, Y.-H. Chu, R. Ramesh, R. W. Collins, V. Gopalan, Linear and nonlinear optical properties of multifunctional PbVO3 thin films. Appl. Phys. Lett. 92, 231915 (2008). [Download, Link]
Y.-H. Chu*, L.W. Martin*, M. B. Holcomb, M. Gajek, S. J. Han, Q. He, N. Balke, C.-H. Yang, D. Lee, W. Hu, Q. Zhan, P.-L. Yang, A. Fraile-Rodriguez, A. Scholl, S. X. Wang, R. Ramesh, Electric-field control of local ferromagnetism using a magnetoelectric multiferroic. Nature Mater. 7, 478-482 (2008). [Download, Link]
A. Kumar, R. C. Rai, N. Podraza, S. Denev, M. Ramirez, Y.-H. Chu, L.W. Martin, J. F. Ihlefeld, T. Heeg, J. Schubert, D. G. Schlom, J. Orenstein, R. Ramesh, R. W. Collins, J. L. Musfeldt, V. Gopalan, Linear and nonlinear optical properties of BiFeO3. Appl. Phys. Lett. 92, 121915 (2008). [Download, Link]
Y.-H. Chu, Q. Zhan, C.-H. Yang, M. Cruz, L.W. Martin, T. Zhao, P. Yu, R. Ramesh, P. T. Joseph, I. N. Lin, W. Tian, D. G. Schlom, Low voltage performance of epitaxial BiFeO3 films on Si substrates through lanthanum-substitution. Appl. Phys. Lett. 92, 102909 (2008). [Download, Link]
S. R. Basu, L.W. Martin, Y.-H. Chu, M. Gajek, R. Ramesh, R. C. Rai, X. Xu, J. L. Musfeldt, Photoconductivity in BiFeO3 thin films. Appl. Phys. Lett. 92, 091905 (2008). [Download, Link]
L. W. Martin, Y.-H. Chu, Q. Zhan, R. Ramesh, S. J. Han, S. X. Wang, M. Warusawithana, D. G. Schlom, Room temperature exchange bias and spin valves based on BiFeO3/SrRuO3/ SrTiO3/Si(001) heterostructures. Appl. Phys. Lett. 91, 172513 (2007). [Download, Link]
Y.-H. Chu, M.P. Cruz, C.-H. Yang, L.W. Martin, P.-L. Yang, J. X. Zhang, K. Lee, P. Yu, L.-Q. Chen, R. Ramesh, Domain control in multiferroic BiFeO3 through substrate vicinality. Adv. Mater. 19, 2662-2666 (2007). [Download, Link]
Y.-H. Chu, L. W. Martin, M. B. Holcomb, R. Ramesh, Controlling magnetism with multiferroics. Mater. Today 10, 16-23 (2007). (Invited review) [Download, Link]
Y.-H. Chu, L.W. Martin, Q. Zhan, P.-L. Yang, M. P. Cruz, K. Lee, M. Barry, S. Y. Yang, R. Ramesh, Epitaxial multiferroic BiFeO3 thin films: progress and future directions. Ferroelectrics 354, 167-177 (2007). (Invited review) [Download, Link]
J. F. Ihlefeld, A. Kumar, L.W. Martin, Y.-H. Chu, Y. B. Chen, T. Heeg, J. Schubert, X. Ke, J. Orenstein, V. Gopalan, X. Q. Pan, P. Schiffer, R. Ramesh, D. G. Schlom, Adsorption-controlled molecular-beam epitaxial growth of BiFeO3. Appl. Phys. Lett. 91, 071922 (2007). [Download, Link]
Y.-H. Chu, T. Zhao, M.P. Cruz, Q. Zhan, P.L. Yang, L.W. Martin, M. Huijben, C.-H. Yang, F. Zavaliche, H. Zheng, R. Ramesh, Ferroelectric size effects in multiferroic BiFeO3 thin films. Appl. Phys. Lett. 90, 252906 (2007). [Download, Link]
R. Ramesh, F. Zavaliche, Y.-H. Chu, L.W. Martin, S. Y. Yang, M. Barry, K. Lee, P. Yang, Q. Zhan, Magnetoelectric complex-oxide heterostructures. Phil. Mag. Lett. 87, 155-164 (2007). (Invited review) [Download, Link]
A. Kumar, L.W. Martin, S. Denev, J. B. Kortright, Y. Suzuki, R. Ramesh, V. Gopalan, Polar and magnetic properties of PbVO3 thin films. Phys. Rev. B 75, 060101(R) (2007). [Download, Link]
G. W. Pabst, L.W. Martin, Y.-H. Chu, R. Ramesh, Leakage mechanisms in BiFeO3 thin films. Appl. Phys. Lett. 90, 072902 (2007). [Download, Link]
L. W. Martin, Q. Zhan, Y. Suzuki, R. Ramesh, M. F. Chi, N. Browning, T. Mizoguchi, J. Kreisel, Growth and structure of PbVO3 thin films. Appl. Phys. Lett. 90, 062903 (2007). [Download, Link]
Y.-H. Chu, Q. Zhan, L.W. Martin, M. P. Cruz, P.-L. Yang, G. W. Pabst, F. Zavaliche, S. Y. Yang, J. X. Zhang, L.-Q. Chen, D. G. Schlom, I. N. Lin, T. B. Wu, R. Ramesh, Nanoscale domain control in multiferroic BiFeO3 thin films. Adv. Mater. 18, 2307-2311 (2006). [Download, Link]