Three-dimensional ultrafast charge-density-wave dynamics in CuTe

Nguyen Nhat Quyen, Wen-Yen Tzeng, Chih-En Hsu, I-An Lin, Wan-Hsin Chen, Hao-Hsiang Jia, Sheng-Chiao Wang, Cheng-En Liu, Yu-Sheng Chen, Wei-Liang Chen, Ta-Lei Chou, I-Ta Wang, Chia-Nung Kuo, Chun-Liang Lin, Chien-Te Wu, Ping-Hui Lin, Shih-Chang Weng, Cheng-Maw Cheng, Chang-Yang Kuo, Chien-Ming Tu, Ming-Wen Chu, Yu-Ming Chang, Chin Shan Lue (), Hung-Chung Hsueh () and Chih-Wei Luo ()
Additional contact information
Nguyen Nhat Quyen: National Yang Ming Chiao Tung University
Wen-Yen Tzeng: National Formosa University
Chih-En Hsu: Tamkang University
I-An Lin: Tamkang University
Wan-Hsin Chen: National Yang Ming Chiao Tung University
Hao-Hsiang Jia: National Synchrotron Radiation Research Center
Sheng-Chiao Wang: National Yang Ming Chiao Tung University
Cheng-En Liu: National Yang Ming Chiao Tung University
Yu-Sheng Chen: National Synchrotron Radiation Research Center
Wei-Liang Chen: National Taiwan University
Ta-Lei Chou: National Taiwan University
I-Ta Wang: National Taiwan University
Chia-Nung Kuo: National Cheng Kung University
Chun-Liang Lin: National Yang Ming Chiao Tung University
Chien-Te Wu: National Yang Ming Chiao Tung University
Ping-Hui Lin: National Synchrotron Radiation Research Center
Shih-Chang Weng: National Synchrotron Radiation Research Center
Cheng-Maw Cheng: National Synchrotron Radiation Research Center
Chang-Yang Kuo: National Yang Ming Chiao Tung University
Chien-Ming Tu: National Yang Ming Chiao Tung University
Ming-Wen Chu: National Taiwan University
Yu-Ming Chang: National Taiwan University
Chin Shan Lue: National Cheng Kung University
Hung-Chung Hsueh: Tamkang University
Chih-Wei Luo: National Yang Ming Chiao Tung University

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract Charge density waves (CDWs) involved with electronic and phononic subsystems simultaneously are a common quantum state in solid-state physics, especially in low-dimensional materials. However, CDW phase dynamics in various dimensions are yet to be studied, and their phase transition mechanism is currently moot. Here we show that using the distinct temperature evolution of orientation-dependent ultrafast electron and phonon dynamics, different dimensional CDW phases are verified in CuTe. When the temperature decreases, the shrinking of c-axis length accompanied with the appearance of interchain and interlayer interactions causes the quantum fluctuations (QF) of the CDW phase until 220 K. At T

Date: 2024
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DOI: 10.1038/s41467-024-46615-y

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