Magnetocrystalline anisotropy in Fe-Mn-Ga magnetic shape memory alloy

T. Omori, K. Watanabe, X. Xu, R. Y. Umetsu, R. Kainuma, K. Ishida

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Magnetocrystalline anisotropy of the martensite phase was investigated in a single crystal of Fe44Mn28Ga28 shape memory alloy. It was found that the martensite phase of Fe44Mn 28Ga28 alloy has a tetragonal distorted L21 structure, with a = 0.5368 nm and c = 0.7081 nm. An approximately single variant was obtained by thermomechanical treatment, and magnetization measurement revealed that the c-axis is the magnetic easy axis. The magnetocrystalline anisotropy constant Ku was determined to be 7.6 × 10 5 J m-3 at 300 K.

Original languageEnglish
Pages (from-to)669-672
Number of pages4
JournalScripta Materialia
Volume64
Issue number7
DOIs
Publication statusPublished - 2011 Apr

Keywords

  • Ferromagnetic shape memory alloy
  • Iron alloys
  • Magnetic anisotropy
  • Martensitic phase transformation

ASJC Scopus subject areas

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

Fingerprint Dive into the research topics of 'Magnetocrystalline anisotropy in Fe-Mn-Ga magnetic shape memory alloy'. Together they form a unique fingerprint.

Cite this