Signature of type-II Weyl semimetal phase in MoTe2
Jiang, J.1,2,3,4,5; Liu, Z. K.1,2; Sun, Y.6; Yang, H. F.3,7; Rajamathi, C. R.6; Qi, Y. P.6; Yang, L. X.8,9; Chen, C.3; Peng, H.3; Hwang, C. -C.5
2017-01-13
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
卷号8
发表状态已发表
DOI10.1038/ncomms13973
摘要Topological Weyl semimetal (TWS), a new state of quantum matter, has sparked enormous research interest recently. Possessing unique Weyl fermions in the bulk and Fermi arcs on the surface, TWSs offer a rare platform for realizing many exotic physical phenomena. TWSs can be classified into type-I that respect Lorentz symmetry and type-II that do not. Here, we directly visualize the electronic structure of MoTe2, a recently proposed type-II TWS. Using angle-resolved photoemission spectroscopy (ARPES), we unravel the unique surface Fermi arcs, in good agreement with our ab initio calculations that have nontrivial topological nature. Our work not only leads to new understandings of the unusual properties discovered in this family of compounds, but also allows for the further exploration of exotic properties and practical applications of type-II TWSs, as well as the interplay between superconductivity (MoTe2 was discovered to be superconducting recently) and their topological order.
收录类别SCI
语种英语
资助项目NRF, Korea through SRC Center for Topological Matter[2011-0030787]
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000391950300001
出版者NATURE PUBLISHING GROUP
WOS关键词SURFACE FERMI ARCS ; MAGNETORESISTANCE ; DISCOVERY ; STATE
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/1546
专题物质科学与技术学院_特聘教授组_陈宇林
物质科学与技术学院_PI研究组_柳仲楷组
通讯作者Chen, Y. L.
作者单位1.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201203, Peoples R China
2.CAS Shanghai Sci Res Ctr, Shanghai 201203, Peoples R China
3.Univ Oxford, Dept Phys, Oxford OX1 3PU, England
4.Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA
5.POSTECH, Pohang Accelerator Lab, Pohang 790784, South Korea
6.Max Planck Inst Chem Phys Solids, D-01187 Dresden, Germany
7.Chinese Acad Sci, SIMIT, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China
8.Tsinghua Univ, Dept Phys, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China
9.Tsinghua Univ, Collaborat Innovat Ctr Quantum Matter, Beijing 100084, Peoples R China
10.Univ Sci & Technol China, CAS, Hefei Sci Ctr, Hefei 200026, Peoples R China
第一作者单位物质科学与技术学院
通讯作者单位物质科学与技术学院
第一作者的第一单位物质科学与技术学院
推荐引用方式
GB/T 7714
Jiang, J.,Liu, Z. K.,Sun, Y.,et al. Signature of type-II Weyl semimetal phase in MoTe2[J]. NATURE COMMUNICATIONS,2017,8.
APA Jiang, J..,Liu, Z. K..,Sun, Y..,Yang, H. F..,Rajamathi, C. R..,...&Chen, Y. L..(2017).Signature of type-II Weyl semimetal phase in MoTe2.NATURE COMMUNICATIONS,8.
MLA Jiang, J.,et al."Signature of type-II Weyl semimetal phase in MoTe2".NATURE COMMUNICATIONS 8(2017).
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