CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Compensated Semimetal LaSb with Unsaturated Magnetoresistance
Zeng, LK; Lou, R; Wu, DS; Xu, QN; Guo, PJ; Kong, LY; Zhong, YG; Ma, JZ; Fu, BB; Richard, P; Wang, P; Liu, GT; Lu, L; Huang, YB; Fang, C; Sun, SS; Wang, Q; Wang, L; Shi, YG; Weng, HM; Lei, HC; Liu, K; Wang, SC; Qian, T; Luo, JL; Ding, H; Wang, SC (reprint author), Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China.; Wang, SC (reprint author), Renmin Univ China, Beijing Key Lab Optoelect Funct Mat & Micronano D, Beijing 100872, Peoples R China.
2016
Source PublicationPHYSICAL REVIEW LETTERS
ISSN0031-9007
Volume117Issue:12Pages:-
Subtype期刊论文
AbstractBy combining angle-resolved photoemission spectroscopy and quantum oscillation measurements, we performed a comprehensive investigation on the electronic structure of LaSb, which exhibits near-quadratic extremely large magnetoresistance(XMR) without any sign of saturation at magnetic fields as high as 40 T. We clearly resolve one spherical and one intersecting-ellipsoidal hole Fermi surfaces (FSs) at the Brillouin zone (BZ) center G and one ellipsoidal electron FS at the BZ boundary X. The hole and electron carriers calculated from the enclosed FS volumes are perfectly compensated, and the carrier compensation is unaffected by temperature. We further reveal that LaSb is topologically trivial but shares many similarities with the Weyl semimetal TaAs family in the bulk electronic structure. Based on these results, we have examined the mechanisms that have been proposed so far to explain the near-quadratic XMR in semimetals.
DOI10.1103/PhysRevLett.117.127204
Indexed BySCI
Language英语
WOS IDWOS:000383344000019
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/26454
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorWang, SC (reprint author), Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China.; Wang, SC (reprint author), Renmin Univ China, Beijing Key Lab Optoelect Funct Mat & Micronano D, Beijing 100872, Peoples R China.
Recommended Citation
GB/T 7714
Zeng, LK,Lou, R,Wu, DS,et al. Compensated Semimetal LaSb with Unsaturated Magnetoresistance[J]. PHYSICAL REVIEW LETTERS,2016,117(12):-.
APA Zeng, LK.,Lou, R.,Wu, DS.,Xu, QN.,Guo, PJ.,...&Wang, SC .(2016).Compensated Semimetal LaSb with Unsaturated Magnetoresistance.PHYSICAL REVIEW LETTERS,117(12),-.
MLA Zeng, LK,et al."Compensated Semimetal LaSb with Unsaturated Magnetoresistance".PHYSICAL REVIEW LETTERS 117.12(2016):-.
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