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Google Scholar: https://scholar.google.com/citations?user=Lixyy0MAAAAJ&hl=en
Publications (in reverse chronological order)
[1] K.A. Smith, Y. Gu, X. Xu, H.-S. Kim, S.-W. Cheong, S.A. Crooker, J.L. Musfeldt, Optical diode effect at telecom wavelengths in a polar magnet, npj Quantum Materials (2026)
https://www.nature.com/articles/s41535-026-00848-w
[2] V. Martinez, A. Sirenko, L. Bugnon, P. Marsik, C. Bernhard, Q. Zhang, G. Pascut, F. Lyzwa, Z. Liu, K. Du, Large magnon dichroism and other optical properties of the hexagonal ferrite h-L u 0.6 S c 0.4 Fe O 3 with altermagnetic A 2 spin ordering, Physical Review B, 113 (2026) 064407
https://journals.aps.org/prb/abstract/10.1103/d2sv-jvdz
[3] S. Zhang, X. Xu, R. Cava, Induced ferroelectricity and enhanced superconductivity through B-site doped SrT i 1− x Zr x O 3, Physical Review B, 111 (2025) 054522
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.111.054522
[4] X. Xu, K. Du, S.W. Cheong, R. Cava, Anomalous magnetoelectric coupling in the paramagnetic state of a chiral and polar magnet, Advanced Electronic Materials, 11 (2025) 2400308
https://onlinelibrary.wiley.com/doi/full/10.1002/aelm.202400308
[5] X. Xu, R. Cava, Hard ferrimagnetism in the layered magnet L i 4 M n 2 T e 2 O 11, Physical Review Materials, 9 (2025) 114417
https://journals.aps.org/prmaterials/abstract/10.1103/5j8j-t6qy
[6] S. Wu, X. Xu, F.-T. Huang, T. Birol, S.-W. Cheong, G. Blumberg, Phonon anomalies within the polar charge density wave phase of the structurally chiral superconductor Mo 3 Al 2 C, Physical Review B, 111 (2025) 224505
https://journals.aps.org/prb/abstract/10.1103/nkx2-6qyr
[7] D. Strong, D. Ni, X. Xu, R. Cava, Anomalous resistivity and superconductivity in the polymorphs of (TiZrHf) 95 Sc 5, Journal of Materials Chemistry C, 13 (2025) 15390-15397
https://pubs.rsc.org/en/content/articlelanding/2025/tc/d5tc00672d
[8] X. Shen, Q. Guo, X. Xu, X. Li, Y. Meng, L. Wang, H. Zhuang, R. Yu, S.-W. Cheong, Electric control of oxygen vacancies in homo-ferroelectric-domain BiFeO3, Applied Physics Letters, 126 (2025)
https://doi.org/10.1063/5.0253399
[9] A.M. Sargent, K.A. Smith, X. Xu, K. Du, S.-W. Cheong, L. Wehmeier, G. Carr, J.L. Musfeldt, Near-field infrared imaging of polar domain walls in Ni3TeO6, Journal of Applied Physics, 138 (2025)
https://doi.org/10.1063/5.0278594
[10] P. Pilch, L. Peedu, U. Nagel, T. Rõõm, C. Zhu, Y. Skourski, X. Xu, R.J. Cava, Z. Wang, Quantum spin dynamics of the honeycomb magnet K 2 Co 2 TeO 6 in high magnetic fields, Physical Review B, 112 (2025) 014455
https://journals.aps.org/prb/abstract/10.1103/dnpq-lnrm
[11] J. Park, S.-W. Cheong, X. Xu, Nonreciprocal Transport in chiral Mo3Al2C Near the Superconducting to Normal Transition, arXiv preprint arXiv:2512.13601 (2025)
https://arxiv.org/abs/2512.13601
[12] D. Ni, T. Lee, S. Zhang, X. Xu, R. Cava, Synthesis, Crystal Structure, and Elementary Electrical Characterization of Quasi-One-Dimensional TiSe3, Inorganic chemistry, 64 (2025) 4062-4066
https://pubs.acs.org/doi/full/10.1021/acs.inorgchem.4c05396
[13] J.L. Musfeldt, S. Singh, K.A. Smith, X. Xu, S.-W. Cheong, Z. Liu, D. Vanderbilt, K.M. Rabe, Pressure-driven polar orthorhombic to tetragonal phase transition in hafnia at room temperature, Chemistry of Materials, 37 (2025) 1820-1825
https://pubs.acs.org/doi/10.1021/acs.chemmater.4c02596
[14] H. Haruhiro, R. Datta, P. Yadav, A. Ali, S. Lee, M.J. Gutmann, D. Yoon, D. Wulferding, X. Xu, M.-H. Jo, Controlled growth of polar altermagnets via chemical vapor transport, Crystal Growth & Design, 25 (2025) 4991-4998
https://pubs.acs.org/doi/full/10.1021/acs.cgd.5c00471
[15] K. Du, D. Jo, X. Xu, F.-T. Huang, M.-H. Lee, M.-W. Chu, K. Wang, X. Guo, L. Zhao, D. Vanderbilt, Electric toroidal invariance generates distinct transverse electromagnetic responses, Nature Physics (2025) 1-7
https://www.nature.com/articles/s41567-025-03100-7
[16] D.A. Bustamante Lopez, D.M. Juraschek, M. Fechner, X. Xu, S.-W. Cheong, W. Hu, Ultrafast simultaneous manipulation of multiple ferroic orders through nonlinear phonon excitation, npj Quantum Materials, 10 (2025) 24
https://www.nature.com/articles/s41535-025-00738-7
[17] H. Yang, Y. Zhou, G. Miao, J. Rusz, X. Yan, F. Guzman, X. Xu, X. Xu, T. Aoki, P. Zeiger, Phonon modes and electron–phonon coupling at the FeSe/SrTiO3 interface, Nature, 1 (2024)
https://www.nature.com/articles/s41586-024-08118-0
[18] X. Xu, F.-T. Huang, S.-W. Cheong, Magnetic toroidicity, Journal of Physics: Condensed Matter 36, 203002 (2024)
https://iopscience.iop.org/article/10.1088/1361-648X/ad2426/meta
[19] X. Xu, T. Chen, H. Wang, W. Xie, C. Broholm, R.J. Cava, Frustrated Magnetism in a Potential Quantum Material Based on Spin-1/2 Co2+ Dimers, Chemistry of Materials 36, 4157 (2024)
https://pubs.acs.org/doi/full/10.1021/acs.chemmater.3c02980
[20] J. Xiong, J. Xie, B. Cheng, Y. Dai, X. Cui, L. Wang, Z. Liu, J. Zhou, N. Wang, X. Xu, Electrical switching of Ising-superconducting nonreciprocity for quantum neuronal transistor, Nature Communications 15, 4953 (2024)
https://www.nature.com/articles/s41467-024-48882-1
[21] S. Wu, M.L. Klemm, J. Shah, E.T. Ritz, C. Duan, X. Teng, B. Gao, F. Ye, M. Matsuda, F. Li, Symmetry breaking and ascending in the magnetic kagome metal FeGe, Physical Review X 14, 011043 (2024)
https://journals.aps.org/prx/abstract/10.1103/PhysRevX.14.011043
[22] S. Wu, F.-T. Huang, X. Xu, E.T. Ritz, T. Birol, S.-W. Cheong, G. Blumberg, Polar charge density wave in a superconductor with crystallographic chirality, Nature communications 15, 9276 (2024)
https://www.nature.com/articles/s41467-024-53627-1
[23] A.M. Sargent, K.A. Smith, K. Du, X. Xu, S.-W. Cheong, S.N. Gilbert Corder, H.A. Bechtel, J.L. Musfeldt, Imaging Ferroelastic Domain Walls in Hybrid Improper Ferroelectric Sr3Sn2O7, Nano letters 24, 14460 (2024)
https://pubs.acs.org/doi/10.1021/acs.nanolett.4c04483
[24] J. Okamoto, R.P. Wang, Y.Y. Chu, H.W. Shiu, A. Singh, H.Y. Huang, C.Y. Mou, S. Teh, H.T. Jeng, K. Du, Giant X‐Ray Circular Dichroism in a Time‐Reversal Invariant Antiferromagnet, Advanced Materials, 2309172 (2024)
https://advanced.onlinelibrary.wiley.com/doi/full/10.1002/adma.202309172
[25] J. O'Connell, X. Xu, L. Jin, R.J. Cava, The ferromagnetic to antiferromagnetic crossover in chromium-based pyroxenes tuned via the Ge to Si ratio, Journal of Solid State Chemistry 339, 124919 (2024)
https://www.sciencedirect.com/science/article/pii/S0022459624003736
[26] D. Ni, X. Xu, Z. Zhu, Y. Ozbek, V. Mikšić Trontl, C. Yang, X. Yang, A. Louat, C. Cacho, N. Ong, Indium-Doped Crystals of SnSe2, The Journal of Physical Chemistry C, (2024)
https://pubs.acs.org/doi/full/10.1021/acs.jpcc.4c02926
[27] D. Ni, X. Xu, C. Yang, R.J. Cava, Synthesis and characterization of Sr2Cu3O4I2, Solid State Sciences 158, 107750 (2024)
https://www.sciencedirect.com/science/article/pii/S1293255824003157
[28] D. Ni, X. Xu, R.J. Cava, The layered RuBr 3–RuI 3 honeycomb system, Journal of Materials Chemistry C 12, 4897 (2024)
https://pubs.rsc.org/en/content/articlelanding/2024/tc/d3tc04718k/unauth
[29] D. Ni, H. Wang, X. Xu, W. Xie, R.J. Cava, The pressure-stabilized polymorph of indium triiodide, Dalton Transactions 53, 434 (2024)
https://pubs.rsc.org/en/content/articlelanding/2024/dt/d3dt03771a
[30] J. Musfeldt, S. Singh, S. Fan, Y. Gu, X. Xu, S.-W. Cheong, Z. Liu, D. Vanderbilt, K.M. Rabe, Structural phase purification of bulk HfO2: Y through pressure cycling, Proceedings of the National Academy of Sciences 121, e2312571121 (2024)
https://www.pnas.org/doi/abs/10.1073/pnas.2312571121
[31] Y. Liu, X. Xu, F.-T. Huang, R. Niu, J. Liu, J.M. Cairney, S.-W. Cheong, X. Liao, Ferroelectric Translational Boundaries Separating Antiferroelectric Domains in Y-Doped HfO2, ACS Applied Electronic Materials 6, 9040 (2024)
https://pubs.acs.org/doi/full/10.1021/acsaelm.4c01706
[32] K.P. Lindquist, T. Lee, X. Xu, R.J. Cava, Expanding the Family of Magnetic Vacancy-Ordered Halide Double Perovskites, Chemistry of Materials 36, 7610 (2024)
https://pubs.acs.org/doi/full/10.1021/acs.chemmater.4c01880
[33] T. Lee, D.B. Straus, X. Xu, K.P. Devlin, W. Xie, R.J. Cava, Ferromagnetic Coupling in Quasi-One-Dimensional Hybrid Iron Chloride Hexagonal Perovskites, Inorganic Chemistry 63, 1543 (2024)
https://pubs.acs.org/doi/full/10.1021/acs.inorgchem.3c03235
[34] L. Jin, S. Peng, A.N. Rutherford, X. Xu, D. Ni, C. Yang, Y.J. Byeon, W. Xie, H. Zhou, X. Dai, A pyroxene-based quantum magnet with multiple magnetization plateaus, Science Advances 10, eadp4685 (2024)
https://www.science.org/doi/10.1126/sciadv.adp4685
[35] R. Gao, L. Jin, S. Huyan, D. Ni, H. Wang, X. Xu, S.L. Bud’ko, P. Canfield, W. Xie, R.J. Cava, Is La3Ni2O6. 5 a Bulk Superconducting Nickelate?, ACS Applied Materials & Interfaces, (2024)
https://pubs.acs.org/doi/full/10.1021/acsami.3c17376
[36] B. Gao, T. Chen, C. Liu, M.L. Klemm, S. Zhang, Z. Ma, X. Xu, C. Won, G.T. McCandless, N. Murai, Spin Excitation Continuum in the Exactly Solvable Triangular-Lattice Spin Liquid CeMgAl11O19, arXiv preprint arXiv:2408.15957, (2024)
https://arxiv.org/abs/2408.15957
[37] Y. Dai, J. Xiong, Y. Ge, B. Cheng, L. Wang, P. Wang, Z. Liu, S. Yan, C. Zhang, X. Xu, Interfacial magnetic spin Hall effect in van der Waals Fe3GeTe2/MoTe2 heterostructure, Nature communications 15, 1129 (2024)
https://www.nature.com/articles/s41467-024-45318-8
[38] T. Chen, A. Ghasemi, J. Zhang, L. Shi, Z. Tagay, L. Chen, E.-S. Choi, M. Jaime, M. Lee, Y. Hao, Phase Diagram and Spectroscopic Evidence of Supersolids in Quantum Ising Magnet K $ _2 $ Co (SeO $ _3 $) $ _2$, arXiv preprint arXiv:2402.15869 (2024)
https://arxiv.org/abs/2402.15869
[39] C. Yang, H. Wang, L. Jin, X. Xu, D. Ni, J.D. Thompson, W. Xie, R.J. Cava, Erbium-excess gallium garnets, Inorganic Chemistry 62, 13731 (2023)
https://pubs.acs.org/doi/full/10.1021/acs.inorgchem.3c01132
[40] P. Yadav, S. Lee, G. Pascut, J. Kim, M.J. Gutmann, X. Xu, B. Gao, S.-W. Cheong, V. Kiryukhin, S. Choi, Noncollinear magnetic order, in-plane anisotropy, and magnetoelectric coupling in the pyroelectric honeycomb antiferromagnet Ni 2 Mo 3 O 8, Physical Review Research 5, 033099 (2023)
https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.5.033099
[41] X. Xu, L. Wu, Y. Zhu, R. Cava, K 2 Co 2 TeO 6: A layered magnet with a S= 1 2 Co 2+ honeycomb lattice, Physical Review B 108, 174432 (2023)
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.108.174432
[42] X. Xu, C. Won, S.-W. Cheong, Frustrated Magnetism and Ferroelectricity in a Dy3+-Based Triangular Lattice, Crystals 13, 971 (2023)
https://www.mdpi.com/2073-4352/13/6/971
[43] X. Xu, D. Ni, W. Xie, R. Cava, Superconductivity in electron-doped PbBi 2 Te 4, Physical Review B 108, 054525 (2023)
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.108.054525
[44] X. Xu, F.-T. Huang, S.-W. Cheong, Ferroelastic and 90∘ ferroelectric domains in Bi 2 WO 6 single crystals, Journal of Advanced Dielectrics 13, 2243002 (2023)
https://www.worldscientific.com/doi/abs/10.1142/S2010135X22430020
[45] X. Xu, Y. Hao, S. Peng, Q. Zhang, D. Ni, C. Yang, X. Dai, H. Cao, R. Cava, Large off-diagonal magnetoelectricity in a triangular Co2+-based collinear antiferromagnet, Nature communications 14, 8034 (2023)
https://www.nature.com/articles/s41467-023-43858-z
[46] X. Xu, G. Cheng, D. Ni, X. Gui, W. Xie, N. Yao, R. Cava, Spin disorder in a stacking polytype of a layered magnet, Physical Review Materials 7, 024407 (2023)
https://journals.aps.org/prmaterials/abstract/10.1103/PhysRevMaterials.7.024407
[47] H. Wang, X. Xu (equal contribution), D. Ni, D. Walker, J. Li, R.J. Cava, W. Xie, Impersonating a Superconductor: High-Pressure BaCoO3, an Insulating Ferromagnet, Journal of the American Chemical Society 145, 21203 (2023)
https://pubs.acs.org/doi/full/10.1021/jacs.3c08726
[48] K.A. Smith, S.P. Ramkumar, K. Du, X. Xu, S.-W. Cheong, S.N. Gilbert Corder, H.A. Bechtel, E.A. Nowadnick, J.L. Musfeldt, Real-Space Infrared Spectroscopy of Ferroelectric Domain Walls in Multiferroic h-(Lu, Sc) FeO3, ACS Applied Materials & Interfaces 15, 7562 (2023)
https://pubs.acs.org/doi/full/10.1021/acsami.2c19600
[49] J.P. Silva, R. Alcala, U.E. Avci, N. Barrett, L. Bégon-Lours, M. Borg, S. Byun, S.-C. Chang, S.-W. Cheong, D.-H. Choe, Roadmap on ferroelectric hafnia-and zirconia-based materials and devices, APL Materials 11, (2023)
[50] D.A.B. Lopez, D.M. Juraschek, M. Fechner, X. Xu, S.-W. Cheong, W. Hu, Ultrafast simultaneous manipulation of multiple ferroic orders through nonlinear phonon excitation, arXiv preprint arXiv:2305.08250 (2023)
https://arxiv.org/abs/2305.08250
[51] K.P. Lindquist, X. Xu, R.J. Cava, Metal-Dependent Antiferromagnetic Interactions in Ba2MCl6 (M2+= Co, Fe, Mn), Chemistry of Materials 35, 6005 (2023)
https://pubs.acs.org/doi/full/10.1021/acs.chemmater.3c00989
[52] T. Lee, X. Xu, W. Xie, R.J. Cava, The 12-layer trimer-based hexagonal perovskite Cs4Ca0. 7Mn3. 3Cl12, Journal of Solid State Chemistry 324, 124095 (2023)
https://www.sciencedirect.com/science/article/pii/S0022459623002633
[53] T. Lee, D.B. Straus, X. Xu, W. Xie, R.J. Cava, Tunable Magnetic Transition Temperatures in Organic–Inorganic Hybrid Cobalt Chloride Hexagonal Perovskites, Chemistry of Materials 35, 1745 (2023)
https://pubs.acs.org/doi/full/10.1021/acs.chemmater.2c03532
[54] T.S. Jung, X. Xu (equal contribution), J. Kim, B.H. Kim, H.J. Shin, Y.J. Choi, E.-G. Moon, S.-W. Cheong, J.H. Kim, Unconventional room-temperature carriers in the triangular-lattice Mott insulator TbInO3, Nature Physics 19, 1611 (2023)
https://www.nature.com/articles/s41567-023-02174-5
[55] L. Jin, H. Wang, X. Xu, D. Ni, C. Yang, Y.-C. Ku, C.-E. Liu, C.-Y. Kuo, C.-F. Chang, R. Sereika, Hidden Hydroxides in KOH-Grown BaNiO3 Crystals: A Potential Link to Their Catalytic Behavior, Chemistry of Materials 35, 9434 (2023)
https://pubs.acs.org/doi/full/10.1021/acs.chemmater.3c02482
[56] L. Jin, N. Varnava, D. Ni, X. Gui, X. Xu, Y. Xu, B.A. Bernevig, R.J. Cava, Electron doping of a double-perovskite flat-band system, Proceedings of the National Academy of Sciences 120, e2218997120 (2023)
https://www.pnas.org/doi/abs/10.1073/pnas.2218997120
[57] B. Gao, T. Chen, C.-L. Huang, Y. Qiu, G. Xu, J. Liebman, L. Chen, M.B. Stone, E. Feng, H. Cao, Disorder-induced excitation continuum in a spin-1 2 cobaltate on a triangular lattice, Physical Review B 108, 024431 (2023)
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.108.024431
[58] X. Fang, C. De, F.-T. Huang, X. Xu, K. Du, K. Wang, B. Li, S.-W. Cheong, Ferrorotational Selectivity in Ilmenites, Journal of the American Chemical Society 145, 28022 (2023)
https://pubs.acs.org/doi/full/10.1021/jacs.3c08635
[59] K. Du, X. Xu, C. Won, K. Wang, S.A. Crooker, S. Rangan, R. Bartynski, S.-W. Cheong, Topological surface magnetism and Néel vector control in a magnetoelectric antiferromagnet, npj Quantum Materials 8, 17 (2023)
https://www.nature.com/articles/s41535-023-00551-0
[60] M. Ye, H.-H. Kung, P.F. Rosa, E. Rosenberg, J. Kim, X. Xu, E. Bauer, Z. Fisk, I. Fisher, S.-W. Cheong, Crystal-field excitations and quadrupolar fluctuations of 4f-electron systems studied by polarized light scattering, Journal of Physics: Conference Series, IOP Publishing, 2022, pp. 012054.
https://iopscience.iop.org/article/10.1088/1742-6596/2164/1/012054/meta
[61] H. Yang, X. Xu, J.H. Lee, Y.S. Oh, S.-W. Cheong, J.-G. Park, Diagonal and off-diagonal thermal conduction with resonant phonon scattering in Ni 3 Te O 6, Physical Review B 106, 144417 (2022)
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.106.144417
[62] H. Yang, A. Konečná, X. Xu, S.W. Cheong, E. Garfunkel, F.J. García de Abajo, P.E. Batson, Low‐Loss Tunable Infrared Plasmons in the High‐Mobility Perovskite (Ba, La) SnO3, Small 18, 2106897 (2022)
https://onlinelibrary.wiley.com/doi/full/10.1002/smll.202106897
[63] H. Yang, A. Konecna, X. Xu, S.-W. Cheong, P.E. Batson, F.J. Garcia de Abajo, E. Garfunkel, Simultaneous imaging of dopants and free charge carriers by monochromated eels, ACS nano 16, 18795 (2022)
https://pubs.acs.org/doi/full/10.1021/acsnano.2c07540
[64] X. Xu, F.T. Huang, K. Du, S.W. Cheong, Multifunctionality of Li2SrNb2O7: Memristivity, tunable rectification, ferroelasticity, and ferroelectricity, Advanced Materials 34, 2206022 (2022)
https://advanced.onlinelibrary.wiley.com/doi/full/10.1002/adma.202206022
[65] X. Xu, F.-T. Huang, A.S. Admasu, M. Kratochvílová, M.-W. Chu, J.-G. Park, S.-W. Cheong, Multiple ferroic orders and toroidal magnetoelectricity in the chiral magnet BaCoSiO 4, Physical Review B 105, 184407 (2022)
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.105.184407
[66] X. Xu, F.-T. Huang, A.S. Admasu, J. Kim, K. Wang, E. Feng, H. Cao, S.-W. Cheong, Bilayer Square Lattice Tb2SrAl2O7 with Structural Z8 Vortices and Magnetic Frustration, Chemistry of Materials 34, 1225 (2022)
https://pubs.acs.org/doi/full/10.1021/acs.chemmater.1c03771
[67] L. Wang, J. Xiong, B. Cheng, Y. Dai, F. Wang, C. Pan, T. Cao, X. Liu, P. Wang, M. Chen, Cascadable in-memory computing based on symmetric writing and readout, Science Advances 8, eabq6833 (2022)
https://www.science.org/doi/full/10.1126/sciadv.abq6833
[68] D.B. Straus, T. Klimczuk, X. Xu, R.J. Cava, Antiferromagnetic Order in the Rare-Earth Halide Perovskites CsEuBr3 and CsEuCl3, Chemistry of Materials 34, 10772 (2022)
https://pubs.acs.org/doi/full/10.1021/acs.chemmater.2c03051
[69] D. Ni, R.S.D. Mudiyanselage, X. Xu, J. Mun, Y. Zhu, W. Xie, R. Cava, Layered polymorph of titanium triiodide, Physical Review Materials 6, 124001 (2022)
https://journals.aps.org/prmaterials/abstract/10.1103/PhysRevMaterials.6.124001
[70] C.P. Neupane, J. Sylvester, X. Xu, S.-W. Cheong, F. Ganikhanov, Phonon decay in BaSnO3 perovskite, Applied Physics Letters 120, (2022)
https://pubs.aip.org/aip/apl/article/120/23/232104/2833674
[71] S. Kim, J. Nam, X. Xu, S.-W. Cheong, I.-S. Yang, Angularly quantized spin rotations in hexagonal LuMnO3, Scientific reports 12, 2424 (2022)
https://www.nature.com/articles/s41598-022-06394-2
[72] Y. Gong, M. Hu, N. Harris, Z. Yang, T. Xie, A. Teklu, N. Kuthirummal, J. Koenemann, X. Xu, S.-W. Cheong, Strong laser polarization control of coherent phonon excitation in van der Waals material Fe3GeTe2, npj 2D Materials and Applications 6, 9 (2022)
https://www.nature.com/articles/s41699-021-00275-4
[73] B. Gao, T. Chen, H. Yan, C. Duan, C.-L. Huang, X.P. Yao, F. Ye, C. Balz, J.R. Stewart, K. Nakajima, Magnetic field effects in an octupolar quantum spin liquid candidate, Physical Review B 106, 094425 (2022)
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.106.094425
[74] S. Fan, S. Singh, X. Xu, K. Park, Y. Qi, S. Cheong, D. Vanderbilt, K.M. Rabe, J. Musfeldt, Vibrational fingerprints of ferroelectric HfO2, npj Quantum Materials 7, 32 (2022)
https://www.nature.com/articles/s41535-022-00436-8
[75] S.-W. Cheong, X. Xu, Magnetic chirality, npj Quantum Materials 7, 40 (2022)
https://www.nature.com/articles/s41535-022-00447-5
[76] M. Ye, X. Xu, X. Wang, J. Kim, S.-W. Cheong, G. Blumberg, Crystal-field excitations and vibronic modes in the triangular-lattice spin-liquid candidate TbInO 3, Physical Review B 104, 085102 (2021)
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.104.085102
[77] H. Yang, A. Konečná, X. Xu, S.-W. Cheong, F.J.G. de Abajo, E. Garfunkel, P. Batson, Quantify doping efficiency at the nanoscale using monochromated STEM-EELS, Microscopy and Microanalysis 27, 310 (2021)
https://academic.oup.com/mam/article-abstract/27/S1/310/6888800
[78] X. Xu, F.-T. Huang, Y. Qi, S. Singh, K.M. Rabe, D. Obeysekera, J. Yang, M.-W. Chu, S.-W. Cheong, Kinetically stabilized ferroelectricity in bulk single-crystalline HfO2: Y, Nature materials 20, 826 (2021)
https://www.nature.com/articles/s41563-020-00897-x
[79] K. Smith, S. Ramkumar, N. Harms, A. Clune, X. Xu, S.-W. Cheong, Z. Liu, E. Nowadnick, J. Musfeldt, Revealing pressure-driven structural transitions in the hybrid improper ferroelectric Sr3Sn2O7, Physical Review B 104, 064106 (2021)
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.104.064106
[80] A.A. Sirenko, P. Marsik, L. Bugnon, M. Soulier, C. Bernhard, T. Stanislavchuk, X. Xu, S.-W. Cheong, Total angular momentum dichroism of the terahertz vortex beams at the antiferromagnetic resonances, Physical review letters 126, 157401 (2021)
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.126.157401
[81] K. Park, G. Pascut, G. Khanal, M. Yokosuk, X. Xu, B. Gao, M. Gutmann, A. Litvinchuk, V. Kiryukhin, S.-W. Cheong, Band-Mott mixing hybridizes the gap in Fe 2 Mo 3 O 8, Physical Review B 104, 195143 (2021)
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.104.195143
[82] E. Feng, A. Samarakoon, X. Xu, C. Hu, Y. Liu, A. Tenant, N. Ni, S.-W. Cheong, H. Cao, Magnetic vortices in a square lattice revealed by local magnetic susceptibilities and neutron diffuse scattering, Acta Cryst 77, a107 (2021)
https://journals.iucr.org/a/issues/2021/a1/00/a59367/a59367.pdf
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Book
Xianghan Xu and Sang-Wook Cheong,
Chapter 4.6: Laser Molten: Bulk doped HfO2, Ferroelectricity in Doped Hafnium Oxide (Second Edition)
Woodhead Publishing Series in Electronic and Optical Materials 2025, Pages 287-301
ISBN: 978-0-443-29182-1
DOI: 10.1016/C2023-0-51447-8
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