Nonlinear photoncurrent in transition metal dichalcogenide with warping term under illuminating of light

doi:10.1088/1674-1056/abc53c

中国物理B ›› 2021, Vol. 30 ›› Issue (3): 37301-.doi: 10.1088/1674-1056/abc53c

收稿日期:2020-08-23 修回日期:2020-10-03 接受日期:2020-10-28 出版日期:2021-02-22 发布日期:2021-02-22

Nonlinear photoncurrent in transition metal dichalcogenide with warping term under illuminating of light

Guo-Bao Zhu(朱国宝), Hui-Min Yang(杨慧敏)†, and Yun-Hai Zhang(张运海)‡

1 School of Physics and Electronic Engineering, Heze University, Heze 274015, China

Received:2020-08-23 Revised:2020-10-03 Accepted:2020-10-28 Online:2021-02-22 Published:2021-02-22
Contact: ^†Corresponding author. E-mail: yangyhm@163.com ^‡Corresponding author. E-mail: wlxzyh@163.com
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 11504095) and the Science and Technology Program for Institutions of Higher Learning in Shandong Province, China (Grant No. J18KA224).

摘要/Abstract

Abstract: We investigate the photoconductivities of injection current and the shift current in transition metal dichalcogenide with warping term in the presence of sublattice potential and spin orbit coupling. The system shows the valley photoconductivities of injection current and the photoconductivities of shift current. It is found that the warping term and the geometric tensor play a critical role in the system, which are responsible for the photoconductivities. Due to the interplay between the sublattice potential and the spin orbit coupling, the photoconductivities can be tuned. Furthermore, the effect of warping term on geometric tensor and the amplitude of the photoconductivities are also discussed.

Key words: photoconductivity, transition metal dichalcogenide, warping term

中图分类号: (Quantum Hall effects)

73.43.-f

78.20.-e (Optical properties of bulk materials and thin films)

. [J]. 中国物理B, 2021, 30(3): 37301-.

Guo-Bao Zhu(朱国宝), Hui-Min Yang(杨慧敏, and Yun-Hai Zhang(张运海). Nonlinear photoncurrent in transition metal dichalcogenide with warping term under illuminating of light[J]. Chin. Phys. B, 2021, 30(3): 37301-.

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Nonlinear photoncurrent in transition metal dichalcogenide with warping term under illuminating of light

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