Intermartensitic phase transformations in Ni-Mn-Ga studied under magnetic field

V. A. Chernenko, E. Cesari, V. Khovailo, J. Pons, C. Seguí, T. Takagi

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

The Heusler-type ferromagnetic shape memory Ni52.6Mn 23.6Ga23.8 single crystal has been found to undergo a sequence of temperature-induced reversible intermartensitic transformations (IMTs) in addition to the martensitic transformation (MT). The temperature dependencies of the magnetization and electrical resistivity, as well as the magnetization curves have been studied for this alloy. In contrast to the MT, no anomalies of the saturation magnetization have been observed for any of the two IMTs. Nevertheless, application of a strong constant magnetic field is shown both experimentally and theoretically to induce similar shifts of the IMTs and MT temperatures.

Original languageEnglish
Pages (from-to)871-873
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume290-291 PART 2
DOIs
Publication statusPublished - 2005 Apr

Keywords

  • Electrical resistivity
  • Heusler alloys
  • Phase transitions - field dependent
  • Phase transitions - martensitic-like

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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