首页|Pressure-triggered stacking dependence of interlayer coupling in bilayer WS2

Pressure-triggered stacking dependence of interlayer coupling in bilayer WS2

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Tungsten disulfide(WS2)has been reported to show negligible stacking dependence under ambient conditions,impeding its further explorations on physical properties and potential applications.Here,we realize efficient modulation of interlayer coupling in bilayer WS2 with 3R and 2H stackings by high pressure,and find that the pressure-triggered interlayer coupling and pressure-induced resonant-to-nonresonant transition exhibit prominent stacking dependence,which are experimentally observed for the first time in WS2.Our work may unleash the stacking degree of freedom in designing WS2 devices with tailored properties correlated to interlayer coupling.

tungsten disulfidepressure engineeringstacking orderinterlayer coupling

Zejuan Zhang、Chenyin Jiao、Shenghai Pei、Xilong Zhou、Jiaze Qin、Wanli Zhang、Yu Zhou、Zenghui Wang、Juan Xia

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School of Integrated Sciences and Engineering(Exemplary School of Microelectronics),University of Electronic Science and Technology of China,Chengdu 610054,China

Institute of Fundamental and Frontier Sciences,University of Electronic Science and Technology of China,Chengdu 610054,China

School of Physics and Electronics,Hunan Key Laboratory of Nanophotonics and Devices,Central South University,Changsha 410083,China

State Key Laboratory of Electronic Thin Films and Integrated Devices,University of Electronic Science and Technology of China,Chengdu 611731,China

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National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaSichuan Science and Technology ProgramSichuan Science and Technology ProgramSichuan Science and Technology ProgramSichuan Science and Technology ProgramScience and Technology Innovation Program of Hunan Province

T232500762250073U21A204596200402661774029621040291210408662150052U23A20570519023462021JDTD00282023NSFSC133424NSFSC585224NSFSC58532021RC3021

2024

10.1007/s11433-024-2376-9

中国科学:物理学 力学 天文学(英文版)
中国科学院

中国科学:物理学 力学 天文学(英文版)

CSTPCD
影响因子：0.91
ISSN：1674-7348
年,卷(期)：2024.67(8)