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

研究成果: Article査読

189 被引用数 (Scopus)

抄録

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.

本文言語English
論文番号021908
ジャーナルApplied Physics Letters
92
2
DOI
出版ステータスPublished - 2008

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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