Hidden spin-polarized bands in semiconducting 2H-MoTe2

R. Oliva; T. Woźniak; F. Dybala; J. Kopaczek; P. Scharoch; R. Kudrawiec

doi:10.1080/21663831.2019.1702113

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Hidden spin-polarized bands in semiconducting 2H-MoTe2

Original Report | 更新时间：2026-08-19

- Hidden spin-polarized bands in semiconducting 2H-MoTe2
- Hidden spin-polarized bands in semiconducting 2H-MoTe2
- 材料研究快报（英文） 2020年8卷第2期页码：75-81
- 作者机构：
  
  1. Department of Experimental Physics Faculty of Fundamental Problems of Technology Wroclaw University of Science and Technology
  2. Department of Theoretical Physics Faculty of Fundamental Problems of Technology Wroclaw University of Science and Technology
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2019.1702113
  中图分类号：
- 网络首发：2019-12-15，
  
  纸质出版：2020
- 稿件说明：
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R. Oliva, T. Woźniak, F. Dybala, 等. Hidden spin-polarized bands in semiconducting 2H-MoTe2[J]. 材料研究快报（英文）, 2020,8(2):75-81.

R. Oliva, T. Woźniak, F. Dybala, et al. Hidden spin-polarized bands in semiconducting 2H-MoTe2[J]. Materials Research Letters, 2020, 8(2): 75-81.
R. Oliva, T. Woźniak, F. Dybala, 等. Hidden spin-polarized bands in semiconducting 2H-MoTe2[J]. 材料研究快报（英文）, 2020,8(2):75-81. DOI： 10.1080/21663831.2019.1702113.

R. Oliva, T. Woźniak, F. Dybala, et al. Hidden spin-polarized bands in semiconducting 2H-MoTe2[J]. Materials Research Letters, 2020, 8(2): 75-81. DOI： 10.1080/21663831.2019.1702113.

摘要

Abstract

BSTRACTWe present experimental and theoretical studies of the electronic band structure of 2H-MoTe

at high hydrostatic pressures. Photoreflectance measurements allowed the determination of the pressure coefficient of the direct transitions A and B

which are 2.40(3) and −3.42(18) meV/kbar

respectively. We attribute the sign difference to a strong splitting of the conduction bands with increasing pressure and the presence of hidden spin-polarized states in bulk MoTe

. These results provide direct experimental evidence that the spin–valley locking effect takes place in centrosymmetric transition metal dichalcogenides.

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相关机构

b Hong Kong Polytechnic University Shenzhen Research Institute

a Research Institute for Advanced Manufacturing Department of Industrial and Systems Engineering The Hong Kong Polytechnic University Kowloon Hong Kong People's Republic of China

c School of Mechanical and Automotive Engineering South China University of Technology

a Research Institute for Advanced Manufacturing Department of Industrial and Systems Engineering The Hong Kong Polytechnic University Kowloon

c Department of Mechanical Engineering City University of Hong Kong Hong Kong People’s Republic of China

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