Pressure effect on the phase transition temperatures of Ni2Mn1-xCuxGa

Tomoya Miura, Yoshiya Adachi, Keita Endo, Ryosuke Kainuma, Takeshi Kanomata

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The martensitic transition temperature T M and the Curie temperature T C of the ferromagnetic alloys Ni2Mn1-xCuxGa (0 ≤ x ≤ 0.40) were measured under pressure. We estimated the pressure derivatives dT M/dp and dT C/dp from the results. The values of dT M/dp and dT C/dp for Ni2MnGa (x = 0) were -4.5 K/GPa and +3.9 K/GPa, respectively. The values of dT M/dp increased from negative to positive with increasing x in Ni2Mn1-xCuxGa. The values of dT C/dp approached zero with increasing x.

Original languageEnglish
Pages (from-to)1879-1882
Number of pages4
JournalJournal of the Korean Physical Society
Volume62
Issue number12
DOIs
Publication statusPublished - 2013 Jul 1

Keywords

  • Curie temperature
  • Martensitic transition
  • Pressure effects

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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