Co-occurrence of magnetic and structural transitions in the Heusler alloy Ni53Mn25Ga22

Chengbao Jiang; Gen Feng; Huibin Xu

doi:10.1063/1.1457528

Co-occurrence of magnetic and structural transitions in the Heusler alloy Ni₅₃Mn₂₅Ga₂₂

Chengbao Jiang^*
, Gen Feng
, Huibin Xu

^*此作品的通讯作者

材料科学与工程学院

Beihang University

科研成果: 期刊稿件 › 文章 › 同行评审

65 引用（Scopus）

摘要

A co-occurrence of magnetic and structural transitions was observed in a nonstoichiometric Ni₅₃Mn₂₅Ga₂₂ alloy which undergoes a reverse martensitic transformation from ferromagnetic martensite to paramagnetic austenite at a magnetic transition temperature (134°C) higher than the Curie temperature of the stoichiometric Ni₂MnGa alloy (103°C). The effect of the magnetic field on the phase transition temperature was found to be two orders of magnitude greater in the present alloy than in Ni₂MnGa due to the absence of the ferromagnetic state in austenite. This may open the possibility of utilizing NiMnGa alloys at a low magnetic field.

源语言	英语
页（从-至）	1619-1621
页数	3
期刊	Applied Physics Letters
卷	80
期	9
DOI	https://doi.org/10.1063/1.1457528
出版状态	已出版 - 4 3月 2002

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abstract = "A co-occurrence of magnetic and structural transitions was observed in a nonstoichiometric Ni53Mn25Ga22 alloy which undergoes a reverse martensitic transformation from ferromagnetic martensite to paramagnetic austenite at a magnetic transition temperature (134°C) higher than the Curie temperature of the stoichiometric Ni2MnGa alloy (103°C). The effect of the magnetic field on the phase transition temperature was found to be two orders of magnitude greater in the present alloy than in Ni2MnGa due to the absence of the ferromagnetic state in austenite. This may open the possibility of utilizing NiMnGa alloys at a low magnetic field.",

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AU - Jiang, Chengbao

AU - Feng, Gen

AU - Xu, Huibin

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Y1 - 2002/3/4

N2 - A co-occurrence of magnetic and structural transitions was observed in a nonstoichiometric Ni53Mn25Ga22 alloy which undergoes a reverse martensitic transformation from ferromagnetic martensite to paramagnetic austenite at a magnetic transition temperature (134°C) higher than the Curie temperature of the stoichiometric Ni2MnGa alloy (103°C). The effect of the magnetic field on the phase transition temperature was found to be two orders of magnitude greater in the present alloy than in Ni2MnGa due to the absence of the ferromagnetic state in austenite. This may open the possibility of utilizing NiMnGa alloys at a low magnetic field.

AB - A co-occurrence of magnetic and structural transitions was observed in a nonstoichiometric Ni53Mn25Ga22 alloy which undergoes a reverse martensitic transformation from ferromagnetic martensite to paramagnetic austenite at a magnetic transition temperature (134°C) higher than the Curie temperature of the stoichiometric Ni2MnGa alloy (103°C). The effect of the magnetic field on the phase transition temperature was found to be two orders of magnitude greater in the present alloy than in Ni2MnGa due to the absence of the ferromagnetic state in austenite. This may open the possibility of utilizing NiMnGa alloys at a low magnetic field.

UR - https://www.scopus.com/pages/publications/79956030436

U2 - 10.1063/1.1457528

DO - 10.1063/1.1457528

M3 - 文章

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SN - 0003-6951

VL - 80

SP - 1619

EP - 1621

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 9

ER -

Co-occurrence of magnetic and structural transitions in the Heusler alloy Ni53Mn25Ga22

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Co-occurrence of magnetic and structural transitions in the Heusler alloy Ni₅₃Mn₂₅Ga₂₂