High field X-ray diffraction studies on magnetic refrigerants

Keiichi Koyama, Fumihiro Ishikawa, Kazuo Watanabe

研究成果: Article査読

4 被引用数 (Scopus)

抄録

In this paper, we review our recent results on magnetic refrigerants MnAs1-xSbx and MnFeAs0.5P0.5 by powder X-ray diffraction measurements in fields up to 5 T and in the temperature range from 8 to 320 K. MnAs shows a first-ordered structural transition with the volume expansion of 2.1% accompanied by a metamagnetic transition, but MnAs0.9Sb0.1 exhibits an isostructural transition with the volume expansion of 1.1%. The cell volume of MnFeAs0.5P 0.5 slightly (-0.4%) and continuously decreases with increasing a magnetic field through the metamagnetic transition.

本文言語English
ページ(範囲)153-163
ページ数11
ジャーナルInternational Journal of Applied Electromagnetics and Mechanics
23
3-4
出版ステータスPublished - 2006 9 25

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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