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Title: Nonsaturating large magnetoresistance in the high carrier density nonsymmorphic metal CrP

Journal Article · · Physical Review B

The band structure of high carrier density metal CrP features an interesting crossing at the Y point of the Brillouin zone. The crossing, which is protected by the nonsymmorphic symmetry of the space group, results in a hybrid, semi-Dirac-like energy-momentum dispersion relation near Y. The linear energy-momentum dispersion relation along Y - Γ is reminiscent of the observed band structure in several semimetallic extremely large magnetoresistance (XMR) materials. We have measured the transverse magnetoresistance of CrP up to 14 T at temperatures as low as ~16 mK. Our data reveal a nonsaturating, quadratic magnetoresistance as well as the behavior of the so-called “turn-on” temperature in the temperature dependence of resistivity. Despite the difference in the magnitude of the magnetoresistance and the fact that CrP is not a semimetal, these features are qualitatively similar to the observations reported for XMR materials. Thus, the high-field electrical transport studies of CrP offer the prospect of identifying the possible origin of the nonsaturating, quadratic magnetoresistance observed in a wide range of metals.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
National Science Foundation (NSF)
Grant/Contract Number:
89233218CNA000001
OSTI ID:
1604026
Alternate ID(s):
OSTI ID: 1501694
Report Number(s):
LA-UR-19-20397; PRBMDO; TRN: US2104181
Journal Information:
Physical Review B, Vol. 99, Issue 12; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 10 works
Citation information provided by
Web of Science

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Cited By (2)

Electronic structure, phonon and superconductivity for WP 5 d -transition metal journal November 2019
Multiple band crossings and Fermi surface topology: Role of double nonsymmorphic symmetries in MnP-type crystal structures journal September 2019