Effect of iron and cobalt addition on magnetic and shape memory properties of Ni2MnGa sputtered films

Makoto Ohtsuka, Minoru Matsumoto, Kimio Itagaki

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The effect of iron and cobalt addition on the magnetic and shape memory properties of Ni2MnGa sputtered films was investigated. It was found that heat-treated films with more than 5.1 mol% Co have two phases. Martensitic transformation temperatures of the constraint-aged films decreased with the iron addition and increased with increasing cobalt content. The Curie temperature of the heat-treated films increased with increasing amount of iron or cobalt. The constraint-aged films containing iron and cobalt exhibited a two-way shape memory effect by heating and cooling.

Original languageEnglish
Pages (from-to)935-939
Number of pages5
JournalMaterials Science and Engineering A
Volume438-440
Issue numberSPEC. ISS.
DOIs
Publication statusPublished - 2006 Nov 25

Keywords

  • Ferromagnetic shape memory alloy
  • Magnetic property
  • Nickel-manganese-gallium
  • Shape memory effect
  • Sputtered film

ASJC Scopus subject areas

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

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