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Title: Origin of the extremely large magnetoresistance in the semimetal YSb

Journal Article · · Physical Review B
 [1];  [2];  [2];  [1];  [2];  [3];  [4];  [2];  [2]
  1. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Northern Illinois Univ., DeKalb, IL (United States). Dept. of Physics
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
  3. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Univ. of Notre Dame, IN (United States). Dept. of Physics
  4. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Univ. of Illinois, Chicago, IL (United States). Dept. of Physics

Extremely large magnetoresistance (XMR) was recently discovered in YSb but its origin, along with that of many other XMR materials, is an active subject of debate. Here we demonstrate that YSb, with a cubic crystalline lattice and anisotropic bulk electron Fermi pockets, can be an excellent candidate for revealing the origin of XMR. We carried out angle dependent Shubnikov – de Haas quantum oscillation measurements to determine the volume and shape of the Fermi pockets. In addition, by investigating both Hall and longitudinal magnetoresistivities, we reveal that the origin of XMR in YSb lies in its carrier high mobility with a diminishing Hall factor that is obtained from the ratio of the Hall and longitudinal magentoresistivities. The high mobility leads to a strong magnetic field dependence of the longitudinal magnetoconductivity while a diminishing Hall factor reveals the latent XMR hidden in the longitudinal magnetoconductivity whose inverse has a nearly quadratic magnetic-field dependence. The Hall factor highlights the deviation of the measured magnetoresistivity from its full potential value and provides a general formulation to reveal the origin of XMR behavior in high mobility materials and of nonsaturating MR behavior as a whole. Our approach can be readily applied to other XMR materials.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
Grant/Contract Number:
AC02-06CH11357; DMR-1407175
OSTI ID:
1393826
Alternate ID(s):
OSTI ID: 1377640
Journal Information:
Physical Review B, Vol. 96, Issue 7; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 43 works
Citation information provided by
Web of Science

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Cited By (13)

Orbital-flop Induced Magnetoresistance Anisotropy in Rare Earth Monopnictide CeSb journal June 2019
Galvanomagnetic properties of the putative type-II Dirac semimetal PtTe2 journal July 2018
Extremely large magnetoresistance in the nonmagnetic semimetal YBi journal January 2018
Nonsaturating large magnetoresistance in semimetals journal October 2018
First principles investigation of topological phase in XMR material TmSb under hydrostatic pressure journal May 2019
Multiple metamagnetism, extreme magnetoresistance and nontrivial topological electronic structures in the magnetic semimetal candidate holmium monobismuthide journal September 2019
Origin of the extremely large magnetoresistance in topological semimetal PtS n 4 journal May 2018
Behaviour of elastic and ultrasonic properties of curium monopnictides journal May 2018
Extreme Magnetoresistance in Magnetic Rare Earth Monopnictides text January 2017
Magnetoresistance in YBi and LuBi semimetals due to nearly perfect carrier compensation text January 2017
Extreme magnetoresistance in the topologically trivial lanthanum monopnictide LaAs text January 2018
Galvanomagnetic properties of the putative type-II Dirac semimetal PtTe$_2$ text January 2018
First principles investigation of topological phase in XMR material TmSb under hydrostatic pressure text January 2019

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