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Enhanced Mobility and Large Linear Nonsaturating Magnetoresistance in the Magnetically Ordered States of TmNiC2

Abstract

We have studied the magnetic, magnetotransport, and galvanomagnetic properties of TmNiC2. We find that the antiferromagnetic and field induced metamagnetic and ferromagnetic orderings do not suppress the charge density wave. The persistence of Fermi surface pockets, open as a result of imperfect nesting accompanying the Peierls transition, results in an electronic carriers mobility of the order of 4 × 103 cm2 V−1 s−1 in ferromagnetic state, without any signatures for a significant deterioration of nesting properties. This is independently evidenced by high, nonsaturating linear magnetoresistance reaching 440% at T ¼ 2 K and an analysis of the Hall conductivity. We thus demonstrate that, the coexistence of charge density wave and magnetism provides an alternative route to maintain high electronic mobility in the magnetically ordered state.

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
PHYSICAL REVIEW LETTERS no. 125, pages 1 - 6,
ISSN: 0031-9007
Language:
English
Publication year:
2020
Bibliographic description:
Kolincio K., Roman M., Klimczuk T.: Enhanced Mobility and Large Linear Nonsaturating Magnetoresistance in the Magnetically Ordered States of TmNiC2// PHYSICAL REVIEW LETTERS -Vol. 125,iss. 17 (2020), s.1-6
DOI:
Digital Object Identifier (open in new tab) 10.1103/physrevlett.125.176601
Sources of funding:
Verified by:
Gdańsk University of Technology

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