Fermi surface topology and magnetotransport in semimetallic LuSb

被引：43

作者：

Pavlosiuk, Orest ^{[1
]}

Kleinert, Maja ^{[1
]}

Swatek, Przemyslaw ^{[1
,2
]}

Kaczorowski, Dariusz ^{[1
]}

Wisniewski, Piotr ^{[1
]}

机构：

[1] Polish Acad Sci, Inst Low Temp & Struct Res, P 1410, PL-50950 Wroclaw, Poland

[2] Ames Lab, Div Mat Sci & Engn, Ames, IA 50011 USA

来源：

SCIENTIFIC REPORTS | 2017年 / 7卷

关键词：

PHASE-TRANSITION; 1ST PRINCIPLES; MAGNETORESISTANCE; CESB; BI;

D O I：

10.1038/s41598-017-12792-8

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Several rare-earth monopnictides were shown to exhibit extreme magnetoresistance and field-induced low-temperature plateau of electrical resistivity. These features are also hallmarks of topological semimetals, thus the family is intensively explored with respect to magneto-transport properties and possible hosting Dirac fermion states. We report a comprehensive investigation of Fermi surface and electrical transport properties of LuSb, another representative of this family. At low temperatures, the magnetoresistance of LuSb was found to exceed 3000% without saturation in fields up to 9 T. Analysis of the Hall effect and the Shubnikov-de Haas oscillations revealed that the Fermi surface of this compound consists of several pockets originating from fairly compensated multi-band electronic structure, in full accordance with our first-principles calculations. Observed magnetotransport properties of LuSb can be attributed to the topology of three-dimensional Fermi surface and a compensation of electron and hole contributions.

引用

页数：10

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