Rashba-like spin splitting along three momentum directions in trigonal layered PtBi2
Feng, Ya1,2; Jiang, Qi3,4; Feng, Baojie5,6; Yang, Meng5; Xu, Tao3,4,7; Liu, Wenjing3,4; Yang, Xiufu1; Arita, Masashi2; Schwier, Eike F.2; Shimada, Kenya2
2019-10-18
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
卷号10
发表状态已发表
DOI10.1038/s41467-019-12805-2
摘要Spin-orbit coupling (SOC) has gained much attention for its rich physical phenomena and highly promising applications in spintronic devices. The Rashba-type SOC in systems with inversion symmetry breaking is particularly attractive for spintronics applications since it allows for flexible manipulation of spin current by external electric fields. Here, we report the discovery of a giant anisotropic Rashba-like spin splitting along three momentum directions (3D Rashba-like spin splitting) with a helical spin polarization around the M points in the Brillouin zone of trigonal layered PtBi2. Due to its inversion asymmetry and reduced symmetry at the M point, Rashba-type as well as Dresselhaus-type SOC cooperatively yield a 3D spin splitting with alpha(R) approximate to 4.36 eV A in PtBi2. The experimental realization of 3D Rashba-like spin splitting not only has fundamental interests but also paves the way to the future exploration of a new class of material with unprecedented functionalities for spintronics applications.
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收录类别SCI ; SCIE
语种英语
资助项目Hiroshima Synchrotron Radiation Center[18AU013] ; Hiroshima Synchrotron Radiation Center[18AU017] ; Hiroshima Synchrotron Radiation Center[18AG018]
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000490982100005
出版者NATURE PUBLISHING GROUP
WOS关键词RELAXATION ; SURFACES
原始文献类型Article
引用统计
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/80516
专题物质科学与技术学院_博士生
物质科学与技术学院_特聘教授组_乔山组
通讯作者Wu, Xianxin; Xiao, Shaozhu; He, Shaolong
作者单位1.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
2.Hiroshima Univ, Hiroshima Synchrotron Radiat Ctr, Higashihiroshima, Hiroshima 7390046, Japan
3.Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China
4.Chinese Acad Sci, CAS Ctr Excellence Superconducting Elect CENSE, Shanghai Inst Microsyst & Informat Technol, Shanghai 200050, Peoples R China
5.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
6.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
7.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China
8.Okayama Univ, Res Inst Interdisciplinary Sci, Okayama 7008530, Japan
9.Julius Maximilians Univ, Inst Theoret Phys & Astrophys, D-97074 Wurzburg, Germany
10.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Feng, Ya,Jiang, Qi,Feng, Baojie,et al. Rashba-like spin splitting along three momentum directions in trigonal layered PtBi2[J]. NATURE COMMUNICATIONS,2019,10.
APA Feng, Ya.,Jiang, Qi.,Feng, Baojie.,Yang, Meng.,Xu, Tao.,...&He, Shaolong.(2019).Rashba-like spin splitting along three momentum directions in trigonal layered PtBi2.NATURE COMMUNICATIONS,10.
MLA Feng, Ya,et al."Rashba-like spin splitting along three momentum directions in trigonal layered PtBi2".NATURE COMMUNICATIONS 10(2019).
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