Kinetic arrest of martensitic transformation in the NiCoMnIn metamagnetic shape memory alloy

Wataru Ito; Kouhei Ito; Rie Y. Umetsu; Ryosuke Kainuma; Keiichi Koyama; Kazuo Watanabe; Asaya Fujita; Katsunari Oikawa; Kiyohito Ishida; Takeshi Kanomata

doi:10.1063/1.2833699

Kinetic arrest of martensitic transformation in the NiCoMnIn metamagnetic shape memory alloy

Wataru Ito, Kouhei Ito, Rie Y. Umetsu, Ryosuke Kainuma, Keiichi Koyama, Kazuo Watanabe, Asaya Fujita, Katsunari Oikawa, Kiyohito Ishida, Takeshi Kanomata

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208 Citations (Scopus)

Abstract

Magnetic and electrical resistivity changes due to a martensitic transformation in large magnetic fields were investigated in a NiCoMnIn alloy. The transformation is interrupted at about 150 K during field cooling and does not proceed with further cooling. The obtained two-phase condition is frozen at low temperatures and zero field heating releases this condition, inducing a "forward" transformation. These unusual phenomena can be explained by an abnormal behavior in the transformation entropy change and an extremely low mobility of the phase interfaces detected at low temperatures.

Original language	English
Article number	021908
Journal	Applied Physics Letters
Volume	92
Issue number	2
DOIs	https://doi.org/10.1063/1.2833699
Publication status	Published - 2008

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title = "Kinetic arrest of martensitic transformation in the NiCoMnIn metamagnetic shape memory alloy",

abstract = "Magnetic and electrical resistivity changes due to a martensitic transformation in large magnetic fields were investigated in a NiCoMnIn alloy. The transformation is interrupted at about 150 K during field cooling and does not proceed with further cooling. The obtained two-phase condition is frozen at low temperatures and zero field heating releases this condition, inducing a {"}forward{"} transformation. These unusual phenomena can be explained by an abnormal behavior in the transformation entropy change and an extremely low mobility of the phase interfaces detected at low temperatures.",

author = "Wataru Ito and Kouhei Ito and Umetsu, {Rie Y.} and Ryosuke Kainuma and Keiichi Koyama and Kazuo Watanabe and Asaya Fujita and Katsunari Oikawa and Kiyohito Ishida and Takeshi Kanomata",

note = "Funding Information: This study was supported by Grant-in-Aids from CREST, Japan Science and Technology Agency (JST) and from the Japanese Society for the Promotion of Science (JSPS), by the Global COE Project.",

year = "2008",

doi = "10.1063/1.2833699",

language = "English",

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T1 - Kinetic arrest of martensitic transformation in the NiCoMnIn metamagnetic shape memory alloy

AU - Ito, Wataru

AU - Ito, Kouhei

AU - Umetsu, Rie Y.

AU - Kainuma, Ryosuke

AU - Koyama, Keiichi

AU - Watanabe, Kazuo

AU - Fujita, Asaya

AU - Oikawa, Katsunari

AU - Ishida, Kiyohito

AU - Kanomata, Takeshi

N1 - Funding Information: This study was supported by Grant-in-Aids from CREST, Japan Science and Technology Agency (JST) and from the Japanese Society for the Promotion of Science (JSPS), by the Global COE Project.

PY - 2008

Y1 - 2008

N2 - Magnetic and electrical resistivity changes due to a martensitic transformation in large magnetic fields were investigated in a NiCoMnIn alloy. The transformation is interrupted at about 150 K during field cooling and does not proceed with further cooling. The obtained two-phase condition is frozen at low temperatures and zero field heating releases this condition, inducing a "forward" transformation. These unusual phenomena can be explained by an abnormal behavior in the transformation entropy change and an extremely low mobility of the phase interfaces detected at low temperatures.

AB - Magnetic and electrical resistivity changes due to a martensitic transformation in large magnetic fields were investigated in a NiCoMnIn alloy. The transformation is interrupted at about 150 K during field cooling and does not proceed with further cooling. The obtained two-phase condition is frozen at low temperatures and zero field heating releases this condition, inducing a "forward" transformation. These unusual phenomena can be explained by an abnormal behavior in the transformation entropy change and an extremely low mobility of the phase interfaces detected at low temperatures.

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Kinetic arrest of martensitic transformation in the NiCoMnIn metamagnetic shape memory alloy

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