Lattice distortions and phase diagram of antiferromagnetic γ-MnIr disordered alloy system

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

研究成果: Article査読

9 被引用数 (Scopus)

抄録

The lattice distortions and the phase diagram of antiferromagnetic γ-Mn100-xIrx disordered alloys have been investigated. The phase boundary between the face-centered-tetragonal (fct) and the face-centered-cubic (fcc) structures exists at around x = 15, being about 2-3 at.% Ir higher than that published in a previous paper. It is pointed out that the structural transformation from the fct (c>a) to the fcc structure is not necessarily accompanied by the magnetic transition from the 2Q to the 3Q spin structure state. At a much lower concentration of about x = 7, a lattice distortion to a face-centered-orthorhombic (fco) structure takes place in analogy with many kinds of γ-Mn disordered alloys.

本文言語English
ページ(範囲)21-25
ページ数5
ジャーナルJournal of Alloys and Compounds
352
1-2
DOI
出版ステータスPublished - 2003 3月 24

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 金属および合金
  • 材料化学

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