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
发表期刊PHYSICAL REVIEW LETTERS
ISSN0031-9007
卷号117期号:12页码:-
文章类型期刊论文
摘要By 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
收录类别SCI
语种英语
WOS记录号WOS:000383344000019
引用统计
被引频次:45[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26454
专题中科院上海应用物理研究所2011-2018年
通讯作者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.
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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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