Keji Lai
- Professor
- Physics

Contact Information
PMA
Room Number:12.212
Biography
Trull Centennial Professorship in Physics #1 (Fellow)
Research
Experimental condensed matter physics; nanoscale electromagnetic imaging; complex oxides; nano-materials; transport in low-dimensional systems.
Research Areas
- Energy
- Nanoscience and Nanotechnology
Fields of Interest
- Condensed Matter Physics
Centers and Institutes
- Center for Complex Quantum Systems
- Texas Materials Institute
Education
- Ph.D., Princeton University, 2006
Publications
- Daehun Lee,Yue Jiang,Xiaoru Zhang,Shahin Jahanbani,Chengyu Wen,Qicheng Zhang,A.T. Charlie Johnson, and Keji Lai, "Klein tunneling of gigahertz elastic waves in nanoelectromechanical metamaterials", Device 2, 100474 (2024).
- Jia Yu, Yuchen Zhou, Xiao Wang, Ananth Dodabalapur, and Keji Lai, "Visualization of Mesoscopic Conductivity Fluctuations in Amorphous Semiconductor Thin-Film Transistors", Nano Letters 23, 11749 (2023).
- Daehun Lee, Shahin Jahanbani, Jack Kramer, Ruochen Lu, Keji Lai, "Nanoscale imaging of super-high-frequency microelectromechanical resonators with femtometer sensitivity", Nature Communications 14, 1188 (2023).
- Qicheng Zhang, Daehun Lee, Lu Zheng, Xuejian Ma, Shawn I Meyer, Li He, Han Ye, Ze Gong, Bo Zhen, Keji Lai, AT Johnson, "Gigahertz topological valley Hall effect in nanoelectromechanical phononic crystals", Nature Electronics 5, 157 (2022).
- Xuejian Ma, Fei Zhang, Zhaodong Chu, Ji Hao, Xihan Chen, Jiamin Quan, Zhiyuan Huang, Xiaoming Wang, Xiaoqin Li, Yanfa Yan, Kai Zhu, and Keji Lai, "Superior photo-carrier diffusion dynamics in organic-inorganic hybrid perovskites revealed by spatiotemporal conductivity imaging", Nature Communications 12, 5009 (2021).
- Zhaodong Chu, Lu Zheng, Keji Lai, "Microwave Microscopy and Its Applications", Annual Review of Materials Research 50, 105 (2020).
- Zhaodong Chu, Chun-Yuan Wang, Jiamin Quan, Chenhui Zhang, Chao Lei, Ali Han, Xuejian Ma, Hao-Ling Tang, Dishan Abeysinghe, Matthew Staab, Xixiang Zhang, Allan H MacDonald, Vincent Tung, Xiaoqin Li, Chih-Kang Shih, Keji Lai, "Unveiling defect-mediated carrier dynamics in monolayer semiconductors by spatiotemporal microwave imaging", Proceedings of the National Academy of Sciences 117, 13908 (2020).
Awards
- Gordon and Betty Moore Foundation Experimental Physics Investigators (2023 - 2028)
- Presidential Early Career Awards for Scientists and Engineers (PECASE) award (2016)
- International Union of Pure and Applied Physics (IUPAP) C10 Young Scientist Prize, 2015
- Department of Energy Early Career Award, 2013
- King Abdullah University of Science and Technology (KAUST) Global Research Partnership (GRP) Postdoctoral Research Fellow Award (2008 – 2011).
- Karel Urbanek Postdoctoral Scholar in Department of Applied Physics, Stanford University (2006 – 2008).