Pressure effect on the phase transition temperatures of Ni2Mn1-xCuxGa

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

doi:10.3938/jkps.62.1879

Pressure effect on the phase transition temperatures of Ni₂Mn_1-xCu_xGa

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

ENG - Metallurgy

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The martensitic transition temperature T _M and the Curie temperature T _C of the ferromagnetic alloys Ni₂Mn_1-xCu_xGa (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 Ni₂Mn_1-xCu_xGa. The values of dT _C/dp approached zero with increasing x.

Original language	English
Pages (from-to)	1879-1882
Number of pages	4
Journal	Journal of the Korean Physical Society
Volume	62
Issue number	12
DOIs	https://doi.org/10.3938/jkps.62.1879
Publication status	Published - 2013 Jul 1

Keywords

Curie temperature
Martensitic transition
Pressure effects

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.3938/jkps.62.1879

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title = "Pressure effect on the phase transition temperatures of Ni2Mn1-xCuxGa",

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.",

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T1 - Pressure effect on the phase transition temperatures of Ni2Mn1-xCuxGa

AU - Miura, Tomoya

AU - Adachi, Yoshiya

AU - Endo, Keita

AU - Kainuma, Ryosuke

AU - Kanomata, Takeshi

PY - 2013/7/1

Y1 - 2013/7/1

N2 - 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.

AB - 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.

KW - Curie temperature

KW - Martensitic transition

KW - Pressure effects

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