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Title: Extremely large magnetoresistance and Kohler's rule in PdSn 4 : A complete study of thermodynamic, transport, and band-structure properties

Journal Article · · Physical Review B
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [1];  [1];  [1]
  1. Ames Lab. and Iowa State Univ., Ames, IA (United States). Dept. of Physics and Astronomy
  2. Ames Lab. and Iowa State Univ., Ames, IA (United States). Dept. of Physics and Astronomy, Dept. of Materials Science and Engineering

The recently discovered material PtSn4 is known to exhibit extremely large magnetoresistance (XMR) that also manifests Dirac arc nodes on the surface. PdSn4 is isostructural to PtSn4 with the same electron count. Here, we report on the physical properties of high-quality single crystals of PdSn4 including specific heat, temperature- and magnetic-field-dependent resistivity and magnetization, and electronic band-structure properties obtained from angle-resolved photoemission spectroscopy (ARPES). We observe that PdSn4 has physical properties that are qualitatively similar to those of PtSn4 , but find also pronounced differences. Importantly, the Dirac arc node surface state of PtSn4 is gapped out for PdSn4. By comparing these similar compounds, we address the origin of the extremely large magnetoresistance in PdSn4 and PtSn4; based on detailed analysis of the magnetoresistivity ρ ( H , T ) , we conclude that neither the carrier compensation nor the Dirac arc node surface state are the primary reason for the extremely large magnetoresistance. On the other hand, we also find that, surprisingly, Kohler's rule scaling of the magnetoresistance, which describes a self-similarity of the field-induced orbital electronic motion across different length scales and is derived for a simple electronic response of metals to an applied magnetic field is obeyed over the full range of temperatures and field strengths that we explore.

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-07CH11358; GBMF4411
OSTI ID:
1407486
Alternate ID(s):
OSTI ID: 1405208
Report Number(s):
IS-J 9476; PRBMDO; TRN: US1703279
Journal Information:
Physical Review B, Vol. 96, Issue 16; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 57 works
Citation information provided by
Web of Science

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Cited By (8)

Dirac Nodal Arc Semimetal PtSn 4 : An Ideal Platform for Understanding Surface Properties and Catalysis for Hydrogen Evolution journal August 2019
Topological behavior and Zeeman splitting in trigonal PtBi2-x single crystals journal February 2020
Magneto-resistance in pristine and irradiated TaAs 2 journal April 2019
Ultraweak influence of strong magnetic field on electrical and thermal transport properties of a polycrystalline gold nanoribbon journal December 2019
Surface states in bulk single crystal of topological semimetal Co 3 Sn 2 S 2 toward water oxidation journal August 2019
Electronic Structure and Electronic Properties of PtSn4 Single Crystal journal June 2019
Dirac Nodal Arc Semimetal PtSn 4 : An Ideal Platform for Understanding Surface Properties and Catalysis for Hydrogen Evolution journal August 2019
Surface states in bulk single crystal of topological semimetal Co$_3$Sn$_2$S$_2$ towards water oxidation text January 2019

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