Atomic site preference, the Néel temperature and specific heat of β-Mn1-xRux alloys

K. Sasao, R. Y. Umetsu, K. Fukamichi

研究成果: Article

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X-ray diffraction, magnetic susceptibility and specific heat measurements for β-Mn1-xRux alloys have been carried out. A single β-phase has been confirmed in the Ru concentration region below x = 0.28. From X-ray diffraction measurements, it is regarded that Ru atoms mainly occupy site 1 (8c site). In low Ru concentration regions, β-Mn1-xRux alloys behave as weakly antiferromagnetic alloys in itinerant-electron systems. In high Ru concentration ranges, on the contrary, the Néel temperature increases up to 150 K and a clear peak due to the magnetic transition is observed in the specific heat, implying that the magnetic characteristics approaches an intermediate state between the itinerant-electron and the localized-electron magnetic states.

元の言語English
ページ(範囲)24-28
ページ数5
ジャーナルJournal of Alloys and Compounds
325
発行部数1-2
DOI
出版物ステータスPublished - 2001 7 26

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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