Magnetocaloric effect and magnetization in a Ni-Mn-Ga Heusler alloy in the vicinity of magnetostructural transition

A. Aliev, A. Batdalov, S. Bosko, V. Buchelnikov, I. Dikshtein, V. Khovailo, V. Koledov, R. Levitin, V. Shavrov, T. Takagi

Research output: Contribution to journalArticlepeer-review

66 Citations (Scopus)

Abstract

The magnetic and thermodynamic properties of a Ni2.19Mn 0.81Ga alloy with coupled magnetic and structural (martensitic) phase transitions were studied experimentally and theoretically. The magnetocaloric effect was measured by a direct method in magnetic fields 0-26 kOe at temperatures close to the magnetostructural transition temperature. For theoretical description of the alloy properties near the magnetostructural transition a statistical model is suggested, that takes into account the coexistence of martensite and austenite domains in the vicinity of martensite transformation point.

Original languageEnglish
Pages (from-to)2040-2042
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume272-276
Issue numberIII
DOIs
Publication statusPublished - 2004 May

Keywords

  • Ferromagnetism
  • Magnetization
  • Magnetocaloric effect
  • Magnetostructural phase transition

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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