Publications

Nano-optics for Low-dimensional Quantum Materials

Publication list:

Nano-optics:

  • G. X. Ni, A. S. McLeod, Z. Y. Sun, L. Wang, L. Xiong, K. W. Post, S. S. Sunku, J. Hone, C. R. Dean, M. M. Fogler, D. N. Basov. Fundamental limits to graphene plasmonics. Nature 557, 530-533 (2018). Highlighted by Nature news & views.
  • S. S. Sunku, G. X. Ni, B. Y. Jiang, H. Yoo, A. Sternbach, A. S. McLeod, T. Stauber, T. Taniguchi, K. Watanabe, P. Kim, M. M. Fogler, D. N. Basov. Photonic crystals for nano-light in moiré graphene superlattices. Science 362, 1153-1156 (2018).
  • K. W. Post, A. S. McLeod, M. Hepting, Y. Wang, G. Cristiani, G. Logvenov, A. Charnukha, G. X. Ni, M. Minola, A. Boris, E. Benckiser, K. Dahmen, E. Carlson, K. Bernhard, D. N. Basov. Coexisting first- and second-order electronic phase transitions in a correlated oxide. Nature Physics 14, 1056-1061 (2018).
  • A. J. Frenzel, A. S. McLeod, D. Z. Wang, Y. Liu, W. Lu, G. X. Ni, A. W. Tsen, Y. Sun, A. N. Pasupathy and D. N. Basov. Infrared nanoimaging of the metal-insulator transition in the charge-density-wave vander Waals material 1T-TaS2. Phys. Rev. B 97, 035111 (2018).
  • B.Y. Jiang, G. X. Ni, Z. Addison, J. K. Shi, X. Liu, F. Zhao, P. Kim, E. J. Mele, D. N. Basov and M. M. Fogler. Plasmon reflections by topological electronic boundaries in bilayer graphene. Nano. Lett. 17, 7080-7085 (2017).
  • Z. Fei, G. X. Ni, B. Y. Jiang, M. M. Fogler, D. N. Basov.. Nanoplasmonic phenomena at electronic boundaries in graphene (Invited Review) ACS Photonics 4, 2971 (2017).
  • G. X. Ni, L. Wang, M. D. Goldflam, M. Wagner, Z. Fei, A. S. McLeod, M. K. Liu, F. Keilmann, B. Özyilmaz, A. H. Castro Neto, J. Hone, M. M. Fogler and D. N. Basov. Ultrafast optical switching of infrared plasmon polaritons in high-mobility graphene. Nature Photonics 10, 244-247 (2016).
  • B.Y. Jiang, G. X. Ni, C. Pan, Z. Fei, B. Cheng, C. N. Lau, M. Bockrath, D. N. Basov and M. M. Fogler. Tunable plasmonic reflection by bound 1D electron states in a 2D Dirac metal. Phys. Rev. Lett. 117, 086801 (2016).
  • Z. Fei, J. J. FoleylV, W. Gannett, M. K. Liu, S Dai, G. X. Ni, A. Zettl, M. M. Fogler, G. P. Wiederrecht, S. K. Gray, D. N. Basov. Ultraconfined plasmonic hotspots inside graphene nanobubbles. Nano Lett. 16, 7842-7848 (2016).
  • G. X. Ni, H. Wang, J. S. Wu, Z. Fei, M. D. Goldflam, F. Keilmann, B. Özyilmaz, A. H. Castro Neto, X. M. Xie, M. M. Fogler & D. N. Basov. Plasmons in graphene moiré superlattices. Nature Materials 14, 1217–1222 (2015). Highlighted by Nature Materials news.
  • Z. Fei, E. G. Iwinski, G. X. Ni, L. M. Zhang, W. Bao, A. S. Rodin, Y. Lee, M. Wagner, M. K. Liu, S. Dai, M. D. Goldflam, M. Thiemens, F. Keilmann, C. N. Lau, A. H. Castro-Neto, M. M. Fogler, D. N. Basov. Tunneling Plasmonics in Bilayer Graphene. Nano Lett. 15, 4973-4978 (2015).
  • M. D. Goldflam, G. X. Ni, K. W. Post, Z. Fei, Y. Yeo, J. Y. Tan, A. S. Rodin, B. C. Chapler, B. Ozyilmaz, A. H. Castro Neto, M. M. Fogler, D. N. Basov. Tuning and persistent switching of graphene plasmons on a ferroelectric substrate. Nano Lett. 15, 4859-4864 (2015).
  • M. K. Liu, A. J. Sternbach, M. Wagner, T. V. Slusar, T. Kong, S. L. Bud'ko, S.Kittiwatanakul, M. M. Qazilbash, A. S. McLeod, Z. Fei, E. Abreu, J. Zhang, M. Goldflam, S. Dai, G. X. Ni, J. Lu, H. A. Bechtel, M. C. Martin, M. B. Raschke, R. D. Averitt, S. A. Wolf, H.-T. Kim, P. C. Canfield, and D. N. Basov. Phase transition in bulk single crystals and thin films of VO2 by nanoscale infrared spectroscopy and imaging. Phys. Rev. B 91, 245155 (2015).


Nano-electronics:

  • L. Gao, G. X. Ni, Y. Liu, B. Liu, A. H. Castro Neto, K. P. Loh. Face-to-face transfer of wafer-scale graphene films. Nature 505, 190 (2014).
  • G. X. Ni, H. Z. Yang, W. Ji, S. J. Baeck, J. H. Ahn, V. M. Pereira, B. Özyilmaz. Tuning Optical Conductivity of Large-Scale CVD Graphene by Strain Engineering. Advanced Materials 26, 1081 (2014).
  • Y. Huang, J. Wu, X. Xu, Y. Ho, G. X. Ni, Q. Zou, G. K. W. Koon, W. Zhao, A. H. Castro Neto, G. Eda, C. Shen, B. Özyilmaz. An innovative way of etching MoS2: characterization and mechanistic investigation. Nano Research 6, 200 (2013).
  • G. X. Ni, Y. Zheng, S. Bae, C. Tan, K. Yao, B. H. Hong and B. Özyilmaz. Graphene-ferroelectric hybrid structure for flexible transparent electrodes. ACS Nano 6, 3935 (2012). Highlighted by American Chemical Society news.
  • G. X. Ni, Y. Zheng, S. Bae, H. R. Kim, A. Pachoud, Y. S. Kim, C. L. Tan, D. Im, J. H. Ahn, B. H. Hong, B. Özyilmaz. Quasi-periodic nanoripples in graphene grown by chemical vapor deposition and its impact on charge transport. ACS Nano 6, 1158 (2012).
  • Y. Zheng, G. X. Ni, S. Bae, C. X. Cong, O. Kahya, C. T. Toh, H. R. Kim, D. Im, T. Yu, J. H. Ahn, B. H. Hong, B. Özyilmaz. Wafer-scale graphene/ferroelectric hybrid devices for low-voltage electronics. Europhysics Lett. 93, 17002 (2011).
  • Y. Zheng, G. X. Ni, C. T. Toh, C. Y. Tan, K. Yao, B. Özyilmaz*. Graphene field effect transistors with ferroelectric gating. Phys. Rev. Lett. 105, 166602 (2010).
  • Y. Zheng, G. X. Ni, C. T. Toh, M. G. Zeng, S. T. Chen, K. Yao, B. Özyilmaz. Gate-controlled nonvolatile graphene-ferroelectric memory. Appl. Phys. Lett. 94, 163505 (2009).
  • S. Dhar, A. R. Barman, G. X. Ni, X. Wang, X. Xu, Y. Zheng, S. Tripathy, Ariando, A. Rusydi, K. P. Loh, M. Rubhausen, A. H. Castro Neto, B. Özyilmaz, T. Venkatesan. A new route to graphene layers by selective laser ablation. AIP Advances 1, 022109 (2011).
  • G. X. Ni, Y. Wang. First-principles study of the (001) surface of cubic PbHfO3 and BaHfO3. Chinese Physics B 18, 1194 (2009).
  • Y. Zhao, G. X. Ni, H. P. Liu, L. Yi. Electronic and magnetic properties of double perovskite Ca2CrSbO6. Commun. Theor. Phys. 53, 180 (2010).