[ThaKn6XH] We-Poster-C

[We-P-55] Multiple Softening Q-vectors Driving a Cascade of Charge Density Wave Phases in Monolayer 1T-VSe₂

*Zheng-Hong Li¹, Yung-Ting Lee², Cheng-Tien Chiang^3,4,5,6, Yu-Chan Tai¹, Chien-Cheng Kuo⁵, Meng-Kai Lin⁶, Chun-Liang Lin¹, Hung-Chung Hsueh⁷, Ming-Chiang Chung⁸, Chi-Cheng Lee⁷, Po-Tuan Chen⁹ (1. Department of Electrophysics, National Yang Ming Chiao Tung University (Taiwan), 2. Department of Applied Science, National Taitung University (Taiwan), 3. Institute of Atomic and Molecular Sciences, Academia Sinica (Taiwan), 4. Department of Physics, National Taiwan University (Taiwan), 5. Department of Physics, National Sun Yat-sen University (Taiwan), 6. Department of Physics, National Central University (Taiwan), 7. Department of Physics, Tamkang University (Taiwan), 8. Department of Physics, National Chung Hsing University (Taiwan), 9. Department of Vehicle Engineering, National Taipei University of Technology (Taiwan))

Keywords:

charge density wave,monolayer 1T-VSe2,phonon instability,density functional theory,lattice reconstruction