Spin-induced valley polarization in heterobilayer Janus transition-metal dichalcogenides

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成果类型：

期刊论文

作者：

Liu, Huating;Huang, Zongyu*;Luo, Chaobo;Guo, Gencai;Peng, Xiangyang;...

通讯作者：

Huang, Zongyu;Zhong, JX;Huang, ZY

作者机构：

[Guo, Gencai; Huang, Zongyu; Luo, Chaobo; Peng, Xiangyang; Qi, Xiang; Zhong, JX; Huang, ZY; Zhong, Jianxin; Liu, Huating] Xiangtan Univ, Sch Phys & Optoelect, Hunan Key Lab Micronano Energy Mat & Devices, Xiangtan 411105, Hunan, Peoples R China.

[Liu, Huating] Wuhan Polytech Univ, Sch Elect & Elect Engn, Wuhan 430023, Peoples R China.

[Huang, Zongyu; Huang, ZY] Hunan Univ, Hunan Key Lab Two Dimens Mat, Changsha 410082, Peoples R China.

通讯机构：

[Zhong, JX ; Huang, ZY] X

[Huang, ZY ] H

Xiangtan Univ, Sch Phys & Optoelect, Hunan Key Lab Micronano Energy Mat & Devices, Xiangtan 411105, Hunan, Peoples R China.

Hunan Univ, Hunan Key Lab Two Dimens Mat, Changsha 410082, Peoples R China.

语种：

英文

关键词：

spin polarization;valley polarization;heterobilayer Janus transition-metal dichalcogenides

期刊：

Journal of Physics D: Applied Physics

ISSN：

0022-3727

年：

2023

卷：

期：

页码：

325302

DOI：

10.1088/1361-6463/accd03

基金类别：

National Natural Science Foundation of China [11874316, 11874315, 12274359]; Scientific Research Fund of Hunan Provincial Education Department [21A0080, 21B0128]; Provincial Natural Science Foundation of Hunan [2022JJ30553]; Hunan Key Laboratory of Two-Dimensional Materials [2018TP1010]; Program of Changjiang Scholars and Innovative Research Team in University [IRT-17R91]

机构署名：

本校为其他机构

院系归属：

电气与电子工程学院

摘要：

Inspired by potential application prospects of spintronics and valleytronics, a novel heterobilayer Janus structure is designed by replacing the chalcogenide atomic layers in the original bilayer MoS2. Based on first-principles calculations, it is found that the SMoS/SeMoS structure exhibits a direct band-gap semiconductor and a typical type-II band alignment with longer carrier lifetime. The transition metal (TM) atom represented by V/Cr/Mn can be stably adsorbed on the heterobilayer Janus SMoS/SeMoS sheet and effectively introduce magnetic mo...

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Spin-induced valley polarization in heterobilayer Janus transition-metal dichalcogenides

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