Magnetic properties of Mn-rich Ni2MnSn Heusler alloys under pressure

Y. Chieda; T. Kanomata; K. Fukushima; K. Matsubayashi; Y. Uwatoko; R. Kainuma; K. Oikawa; K. Ishida; K. Obara; T. Shishido

doi:10.1016/j.jallcom.2009.06.206

Magnetic properties of Mn-rich Ni₂MnSn Heusler alloys under pressure

Y. Chieda, T. Kanomata, K. Fukushima, K. Matsubayashi, Y. Uwatoko, R. Kainuma, K. Oikawa, K. Ishida, K. Obara, T. Shishido

ENG - Metallurgy

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

38 Citations (Scopus)

Abstract

The pressure effect on the Curie temperature T_C of Heusler alloys Ni₂Mn_1+xSn_1-x (0 ≤ x ≤ 0.28) has been investigated by measuring the temperature dependence of initial permeability at various pressures up to 10 kbar. The pressure derivative of T_C, dT_C/dp, of Ni₂MnSn is found to be +0.5 K/kbar. The values of dT_C/dp for Ni₂Mn_1+xSn_1-x (0 ≤ x ≤ 0.28) alloys decrease with increasing the concentration x. The pressure effect on T_C for Ni₂Mn_1+xSn_1-x (0 ≤ x ≤ 0.28) alloys is discussed qualitatively on the basis of the interatomic dependence of the exchange interactions.

Original language	English
Pages (from-to)	51-54
Number of pages	4
Journal	Journal of Alloys and Compounds
Volume	486
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jallcom.2009.06.206
Publication status	Published - 2009 Nov 3

Keywords

Curie temperature
Heusler alloy
Magnetic properties
Pressure effect

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Magnetic properties of Mn-rich Ni2MnSn Heusler alloys under pressure",

abstract = "The pressure effect on the Curie temperature TC of Heusler alloys Ni2Mn1+xSn1-x (0 ≤ x ≤ 0.28) has been investigated by measuring the temperature dependence of initial permeability at various pressures up to 10 kbar. The pressure derivative of TC, dTC/dp, of Ni2MnSn is found to be +0.5 K/kbar. The values of dTC/dp for Ni2Mn1+xSn1-x (0 ≤ x ≤ 0.28) alloys decrease with increasing the concentration x. The pressure effect on TC for Ni2Mn1+xSn1-x (0 ≤ x ≤ 0.28) alloys is discussed qualitatively on the basis of the interatomic dependence of the exchange interactions.",

keywords = "Curie temperature, Heusler alloy, Magnetic properties, Pressure effect",

author = "Y. Chieda and T. Kanomata and K. Fukushima and K. Matsubayashi and Y. Uwatoko and R. Kainuma and K. Oikawa and K. Ishida and K. Obara and T. Shishido",

year = "2009",

month = nov,

day = "3",

doi = "10.1016/j.jallcom.2009.06.206",

language = "English",

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TY - JOUR

T1 - Magnetic properties of Mn-rich Ni2MnSn Heusler alloys under pressure

AU - Chieda, Y.

AU - Kanomata, T.

AU - Fukushima, K.

AU - Matsubayashi, K.

AU - Uwatoko, Y.

AU - Kainuma, R.

AU - Oikawa, K.

AU - Ishida, K.

AU - Obara, K.

AU - Shishido, T.

PY - 2009/11/3

Y1 - 2009/11/3

N2 - The pressure effect on the Curie temperature TC of Heusler alloys Ni2Mn1+xSn1-x (0 ≤ x ≤ 0.28) has been investigated by measuring the temperature dependence of initial permeability at various pressures up to 10 kbar. The pressure derivative of TC, dTC/dp, of Ni2MnSn is found to be +0.5 K/kbar. The values of dTC/dp for Ni2Mn1+xSn1-x (0 ≤ x ≤ 0.28) alloys decrease with increasing the concentration x. The pressure effect on TC for Ni2Mn1+xSn1-x (0 ≤ x ≤ 0.28) alloys is discussed qualitatively on the basis of the interatomic dependence of the exchange interactions.

AB - The pressure effect on the Curie temperature TC of Heusler alloys Ni2Mn1+xSn1-x (0 ≤ x ≤ 0.28) has been investigated by measuring the temperature dependence of initial permeability at various pressures up to 10 kbar. The pressure derivative of TC, dTC/dp, of Ni2MnSn is found to be +0.5 K/kbar. The values of dTC/dp for Ni2Mn1+xSn1-x (0 ≤ x ≤ 0.28) alloys decrease with increasing the concentration x. The pressure effect on TC for Ni2Mn1+xSn1-x (0 ≤ x ≤ 0.28) alloys is discussed qualitatively on the basis of the interatomic dependence of the exchange interactions.

KW - Curie temperature

KW - Heusler alloy

KW - Magnetic properties

KW - Pressure effect

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