Transport properties of ferrimagnetic Mn2CoSn Heusler alloy

M. Seredina, I. Gavrikov, D. Karpenkov, M. Zhelezny, A. Bazlov, Ratnamala Chatterjee, R. Y. Umetsu, V. Khovaylo

Research output: Contribution to journalArticle

Abstract

Transport properties of bulk samples and melt-spun ribbons of Mn2CoSn alloy were investigated. It was found that Mn2CoSn is a high-resistance compound with the value of electrical resistivity ρ ∼ 300 μOhm·cm at room temperature and demonstrates semiconducting behavior of ρ as a function of temperature. A change in the dominating conductivity type from hole-like to electron-like takes place upon heating above ≈137 K. Abnormal Hall coefficient RS is large and depends on electrical resistivity as RS ∼ ρ2.

Original languageEnglish
Pages (from-to)193-196
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Volume485
DOIs
Publication statusPublished - 2019 Sep 1

Keywords

  • Electrical resistivity
  • Half-metallic ferrimagnets
  • Hall effect
  • Heusler alloys

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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