Anomaly in anomalous Nernst effect at low temperature for C1b-type NiMnSb half-Heusler alloy thin film

Himanshu Sharma, Zhenchao Wen, Koki Takanashi, Masaki Mizuguchi

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Abstract

The anomaly in the anomalous Nernst effect (ANE) was observed for a C1b-type NiMnSb half-Heusler alloy thin film deposited on a MgO (001) substrate. The Nernst angle (θANE) showed maximum peak with decreasing temperature and reached 0.15 at 80 K, which is considered to be brought by the cross-over from half-metal to normal ferromagnet in NiMnSb at low temperature. This anomaly was also observed for the transport properties, that is, both the resistivity and the anomalous Hall resistivity in the same temperature range.

Original languageEnglish
JournalUnknown Journal
Publication statusPublished - 2018 Nov 9

ASJC Scopus subject areas

  • General

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