Magnetic field effect on structural property of MnFeP0.5As 0.5

Keiichi Koyama, Takeshi Kanomata, Takeshi Matsukawa, Kazuo Watanabe

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

The magnetic field effect on the structural property of a ferromagnetic compound MnFeP0.5As0.5 was investigated by powder X-ray diffraction measurement in magnetic fields up to 5 T. The compound with the hexagonal Fe2P-type structure shows a field-induced isostructural transformation with a hysteresis by applying magnetic field, accompanied by the metamagnetic transition from the paramagnetic to ferromagnetic state just above the Curie temperature of 284 K. In this transformation, the a parameter expands by 0.5% whereas the c parameter contracts by 1%. However, the cell volume slightly and continuously decreases with increasing magnetic field through the transformation.

Original languageEnglish
Pages (from-to)1753-1756
Number of pages4
JournalMaterials Transactions
Volume46
Issue number8
DOIs
Publication statusPublished - 2005 Aug

Keywords

  • FeP-type structure
  • Field induced structural transformation
  • High field X-ray diffraction
  • Metamagnetic transition
  • Phosphide-arsenide compound

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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