Concentration dependence of the Néel temperature of Mn100-xRhx ordered alloys

R. Yamauchi, K. Fukamichi, H. Yamauchi, A. Sakuma

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Concentration dependences of the room temperature lattice constant and the Néel temperature of Mn100-xRhx (19≦x≦30) ordered alloys were investigated. The room temperature lattice constant becomes larger with increasing x. The Néel temperature also increases with the increase of x, and the high Néel temperature is not explained by an exchange interaction as a function of the Mn-Mn distance, but by the number of 3d electrons in the Mn site. Associated with spin fluctuations, the paramagnetic susceptibility increases with increasing temperature and shows a tendency to be saturated.

Original languageEnglish
Pages (from-to)93-96
Number of pages4
JournalJournal of Alloys and Compounds
Volume279
Issue number2
DOIs
Publication statusPublished - 1998 Oct 2

Keywords

  • Lattice constant
  • Magnetic susceptibility
  • Mn-Rh alloys
  • Néel temperature
  • Ordered alloy

ASJC Scopus subject areas

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

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