Nontrivial Berry phase and type-II Dirac transport in the layered material PdTe2

doi:10.1103/PhysRevB.96.041201

	Nontrivial Berry phase and type-II Dirac transport in the layered material PdTe2
	Fei, Fucong 1; Bo, Xiangyan 1; Wang, Rui 1; Wu, Bin 1; Jiang, Juan2 ; Fu, Dongzhi 1; Gao, Ming 3; Zheng, Hao 4; Chen, Yulin2,5 ; Wang, Xuefeng 3; Bu, Haijun 1; Song, Fengqi 1; Wan, Xiangang 1; Wang, Baigeng 1; Wang, Guanghou 1
	2017-07-05
发表期刊	PHYSICAL REVIEW B
ISSN	2469-9950
卷号	96 期号:4
发表状态	已发表
DOI	10.1103/PhysRevB.96.041201
摘要	We 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.
收录类别	SCI
语种	英语
资助项目	U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences[DE-AC02-76SF00515]
WOS研究方向	Physics
WOS类目	Physics, Condensed Matter
WOS记录号	WOS:000405026300005
出版者	AMER PHYSICAL SOC
WOS关键词	WEYL FERMION SEMIMETAL ; SUPERCONDUCTIVITY ; DISCOVERY ; SURFACE ; INTERFERENCE ; ARCS
原始文献类型	Article
通讯作者	Song, Fengqi ; Wan, Xiangang ; Wang, Baigeng
引用统计
文献类型	期刊论文
条目标识符	https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/2900
专题	物质科学与技术学院_特聘教授组_陈宇林
通讯作者	Song, Fengqi; Wan, Xiangang; Wang, Baigeng
作者单位	1.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
推荐引用方式 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).