Occurrence of ferromagnetic shape memory alloys (invited)

Manfred Wuttig; Luohong Liu; Koichi Tsuchiya; Richard D. James

doi:10.1063/1.373135

Occurrence of ferromagnetic shape memory alloys (invited)

Manfred Wuttig, Luohong Liu, Koichi Tsuchiya, Richard D. James

Research output: Contribution to journal › Conference article › peer-review

120 Scopus citations

Abstract

This article presents an overview of the necessary conditions for the formation of shape memory alloys (SMAs) and how these must overlap with the occurrence of ferromagnetism so that ferromagnetic shape memory alloys (MSMAs) may be formed. The electronic, elastic, and geometric conditions permit an understanding of the occurrence of Cu- and Fe-based SMAs as well as NiMnGa Heusler MSMAs except that the naively determined critical electron concentration for the latter, 7.3, disagrees with the values of 1.5 and 8.6 accepted for the Hume-Rothery phases and certain Fe-based systems.

Original language	English (US)
Pages (from-to)	4707-4711
Number of pages	5
Journal	Journal of Applied Physics
Volume	87
Issue number	9 II
DOIs	https://doi.org/10.1063/1.373135
State	Published - May 2000
Externally published	Yes
Event	44th Annual Conference on Magnetism and Magnetic Materials - San Jose, CA, United States Duration: Nov 15 1999 → Nov 18 1999

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title = "Occurrence of ferromagnetic shape memory alloys (invited)",

abstract = "This article presents an overview of the necessary conditions for the formation of shape memory alloys (SMAs) and how these must overlap with the occurrence of ferromagnetism so that ferromagnetic shape memory alloys (MSMAs) may be formed. The electronic, elastic, and geometric conditions permit an understanding of the occurrence of Cu- and Fe-based SMAs as well as NiMnGa Heusler MSMAs except that the naively determined critical electron concentration for the latter, 7.3, disagrees with the values of 1.5 and 8.6 accepted for the Hume-Rothery phases and certain Fe-based systems.",

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AU - Wuttig, Manfred

AU - Liu, Luohong

AU - Tsuchiya, Koichi

AU - James, Richard D.

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Y1 - 2000/5

N2 - This article presents an overview of the necessary conditions for the formation of shape memory alloys (SMAs) and how these must overlap with the occurrence of ferromagnetism so that ferromagnetic shape memory alloys (MSMAs) may be formed. The electronic, elastic, and geometric conditions permit an understanding of the occurrence of Cu- and Fe-based SMAs as well as NiMnGa Heusler MSMAs except that the naively determined critical electron concentration for the latter, 7.3, disagrees with the values of 1.5 and 8.6 accepted for the Hume-Rothery phases and certain Fe-based systems.

AB - This article presents an overview of the necessary conditions for the formation of shape memory alloys (SMAs) and how these must overlap with the occurrence of ferromagnetism so that ferromagnetic shape memory alloys (MSMAs) may be formed. The electronic, elastic, and geometric conditions permit an understanding of the occurrence of Cu- and Fe-based SMAs as well as NiMnGa Heusler MSMAs except that the naively determined critical electron concentration for the latter, 7.3, disagrees with the values of 1.5 and 8.6 accepted for the Hume-Rothery phases and certain Fe-based systems.

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JF - Journal of Applied Physics

IS - 9 II

T2 - 44th Annual Conference on Magnetism and Magnetic Materials

Y2 - 15 November 1999 through 18 November 1999

ER -

Occurrence of ferromagnetic shape memory alloys (invited)

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