Microstructural change near the martensitic transformation in a ferromagnetic shape memory alloy Ni51Fe22Ga27 studied by electron holography

Y. Murakami; D. Shindo; K. Oikawa; R. Kainuma; K. Ishida

doi:10.1063/1.1841471

Microstructural change near the martensitic transformation in a ferromagnetic shape memory alloy Ni₅₁Fe₂₂Ga₂₇ studied by electron holography

Y. Murakami, D. Shindo, K. Oikawa, R. Kainuma, K. Ishida

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28 Citations (Scopus)

Abstract

Temperature dependence of the magnetic microstructure in a ferromagnetic shape memory alloy Ni51Fe22Ga27 has been studied by electron holography, by which the distribution of magnetic flux is clearly imaged. Although the magnetic flux is quite even in the parent phase near room temperature, it undergoes considerable modulation when the temperature approaches Ms (martensitic transformation start temperature). The magnetization distribution in the martensite appears to be inherited from that in the parent phase. The observations shed further light on the precursor phenomenon of martensitic transformations.

Original language	English
Pages (from-to)	6170-6172
Number of pages	3
Journal	Applied Physics Letters
Volume	85
Issue number	25
DOIs	https://doi.org/10.1063/1.1841471
Publication status	Published - Dec 20 2004
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1841471

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abstract = "Temperature dependence of the magnetic microstructure in a ferromagnetic shape memory alloy Ni51Fe22Ga27 has been studied by electron holography, by which the distribution of magnetic flux is clearly imaged. Although the magnetic flux is quite even in the parent phase near room temperature, it undergoes considerable modulation when the temperature approaches Ms (martensitic transformation start temperature). The magnetization distribution in the martensite appears to be inherited from that in the parent phase. The observations shed further light on the precursor phenomenon of martensitic transformations.",

author = "Y. Murakami and D. Shindo and K. Oikawa and R. Kainuma and K. Ishida",

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AU - Murakami, Y.

AU - Shindo, D.

AU - Oikawa, K.

AU - Kainuma, R.

AU - Ishida, K.

PY - 2004/12/20

Y1 - 2004/12/20

N2 - Temperature dependence of the magnetic microstructure in a ferromagnetic shape memory alloy Ni51Fe22Ga27 has been studied by electron holography, by which the distribution of magnetic flux is clearly imaged. Although the magnetic flux is quite even in the parent phase near room temperature, it undergoes considerable modulation when the temperature approaches Ms (martensitic transformation start temperature). The magnetization distribution in the martensite appears to be inherited from that in the parent phase. The observations shed further light on the precursor phenomenon of martensitic transformations.

AB - Temperature dependence of the magnetic microstructure in a ferromagnetic shape memory alloy Ni51Fe22Ga27 has been studied by electron holography, by which the distribution of magnetic flux is clearly imaged. Although the magnetic flux is quite even in the parent phase near room temperature, it undergoes considerable modulation when the temperature approaches Ms (martensitic transformation start temperature). The magnetization distribution in the martensite appears to be inherited from that in the parent phase. The observations shed further light on the precursor phenomenon of martensitic transformations.

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Microstructural change near the martensitic transformation in a ferromagnetic shape memory alloy Ni₅₁Fe₂₂Ga₂₇ studied by electron holography

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