Nontrivial Berry phase and type-II Dirac transport in the layered material PdTe2
Fei, Fucong1; Bo, Xiangyan1; Wang, Rui1; Wu, Bin1; Jiang, Juan2; Fu, Dongzhi1; Gao, Ming3; Zheng, Hao4; Chen, Yulin2,5; Wang, Xuefeng3; Bu, Haijun1; Song, Fengqi1; Wan, Xiangang1; Wang, Baigeng1; Wang, Guanghou1
2017-07-05
Source PublicationPHYSICAL REVIEW B
ISSN2469-9950
Volume96Issue:4
Status已发表
DOI10.1103/PhysRevB.96.041201
AbstractWe report on a systematic study of type-II Dirac fermions in a layered crystal of PdTe2. De Haas-van Alphen oscillations show a small Fermi-surface pocket with a cross section of 0.077 nm(-2) with a nontrivial Berry phase. First-principles calculation reveals that the nontrivial Berry phase originates from a hole pocket formed by the tilted Dirac cone. In addition, the band dispersion measured with angle-resolved photoemission spectroscopy is found to be consistent with that of a type-II Dirac cone dispersion. We propose that PdTe2 is an improved platform to host topological superconductors.
Indexed BySCI
Language英语
Funding ProjectU.S. Department of Energy, Office of Science, Office of Basic Energy Sciences[DE-AC02-76SF00515]
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000405026300005
PublisherAMER PHYSICAL SOC
WOS KeywordWEYL FERMION SEMIMETAL ; SUPERCONDUCTIVITY ; DISCOVERY ; SURFACE ; INTERFERENCE ; ARCS
Original Document TypeArticle
Corresponding AuthorSong, Fengqi ; Wan, Xiangang ; Wang, Baigeng
Citation statistics
Cited Times:73[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://kms.shanghaitech.edu.cn/handle/2MSLDSTB/2900
Collection物质科学与技术学院_特聘教授组_陈宇林
Corresponding AuthorSong, Fengqi; Wan, Xiangang; Wang, Baigeng
Affiliation1.Nanjing Univ, Coll Phys, Collaborat Innovat Ctr Adv Microstruct, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
2.ShanghaiTech Univ, CAS Shanghai Sci Res Ctr, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China
3.Nanjing Univ, Sch Elect Sci & Engn, Collaborat Innovat Ctr Adv Microstruct, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
4.Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China
5.Univ Oxford, Dept Phys, Oxford OX1 3PU, England
Recommended Citation
GB/T 7714
Fei, Fucong,Bo, Xiangyan,Wang, Rui,et al. Nontrivial Berry phase and type-II Dirac transport in the layered material PdTe2[J]. PHYSICAL REVIEW B,2017,96(4).
APA Fei, Fucong.,Bo, Xiangyan.,Wang, Rui.,Wu, Bin.,Jiang, Juan.,...&Wang, Guanghou.(2017).Nontrivial Berry phase and type-II Dirac transport in the layered material PdTe2.PHYSICAL REVIEW B,96(4).
MLA Fei, Fucong,et al."Nontrivial Berry phase and type-II Dirac transport in the layered material PdTe2".PHYSICAL REVIEW B 96.4(2017).
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