Pressure dependence of the irradiation-induced ferromagnetism in Fe-Ni invar alloys

Y. Matsushima; N. Q. Sun; H. Kanamitsu; M. Matsushita; A. Iwase; Y. Chimi; N. Ishikawa; T. Kambara; F. Ono

doi:10.1016/j.jmmm.2005.02.065

Pressure dependence of the irradiation-induced ferromagnetism in Fe-Ni invar alloys

Y. Matsushima, N. Q. Sun, H. Kanamitsu, M. Matsushita, A. Iwase, Y. Chimi, N. Ishikawa, T. Kambara, F. Ono

研究成果 › 査読

8 被引用数 (Scopus)

抄録

Pressure dependence of the irradiation-induced ferromagnetism recently found in Fe-Ni invar alloys was investigated under hydrostatic pressures up to 7.5 GPa. A rectangular sheet of Fe-30.2 at% Ni invar alloy was irradiated with 80 MeV Xe ions. The range was much smaller than the thickness of the sample. The Curie temperature of the irradiated part increased by 63 K, and the absolute value of the pressure coefficient, dT_C/dp was smaller than that of non-irradiated part. The relation p≈(TC0-TC)n holds with n=2 for both non-irradiated and irradiated part. The itinerant character was not so much modified by irradiation.

本文言語	English
ページ（範囲）	14-18
ページ数	5
ジャーナル	Journal of Magnetism and Magnetic Materials
巻	298
号	1
DOI	https://doi.org/10.1016/j.jmmm.2005.02.065
出版ステータス	Published - 3月 2006

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
凝縮系物理学

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10.1016/j.jmmm.2005.02.065

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title = "Pressure dependence of the irradiation-induced ferromagnetism in Fe-Ni invar alloys",

abstract = "Pressure dependence of the irradiation-induced ferromagnetism recently found in Fe-Ni invar alloys was investigated under hydrostatic pressures up to 7.5 GPa. A rectangular sheet of Fe-30.2 at% Ni invar alloy was irradiated with 80 MeV Xe ions. The range was much smaller than the thickness of the sample. The Curie temperature of the irradiated part increased by 63 K, and the absolute value of the pressure coefficient, dTC/dp was smaller than that of non-irradiated part. The relation p≈(TC0-TC)n holds with n=2 for both non-irradiated and irradiated part. The itinerant character was not so much modified by irradiation.",

keywords = "Curie temperature, Fe-Ni invar alloys, Irradiation effects, Pressure effects",

author = "Y. Matsushima and Sun, {N. Q.} and H. Kanamitsu and M. Matsushita and A. Iwase and Y. Chimi and N. Ishikawa and T. Kambara and F. Ono",

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T1 - Pressure dependence of the irradiation-induced ferromagnetism in Fe-Ni invar alloys

AU - Matsushima, Y.

AU - Sun, N. Q.

AU - Kanamitsu, H.

AU - Matsushita, M.

AU - Iwase, A.

AU - Chimi, Y.

AU - Ishikawa, N.

AU - Kambara, T.

AU - Ono, F.

PY - 2006/3

Y1 - 2006/3

N2 - Pressure dependence of the irradiation-induced ferromagnetism recently found in Fe-Ni invar alloys was investigated under hydrostatic pressures up to 7.5 GPa. A rectangular sheet of Fe-30.2 at% Ni invar alloy was irradiated with 80 MeV Xe ions. The range was much smaller than the thickness of the sample. The Curie temperature of the irradiated part increased by 63 K, and the absolute value of the pressure coefficient, dTC/dp was smaller than that of non-irradiated part. The relation p≈(TC0-TC)n holds with n=2 for both non-irradiated and irradiated part. The itinerant character was not so much modified by irradiation.

AB - Pressure dependence of the irradiation-induced ferromagnetism recently found in Fe-Ni invar alloys was investigated under hydrostatic pressures up to 7.5 GPa. A rectangular sheet of Fe-30.2 at% Ni invar alloy was irradiated with 80 MeV Xe ions. The range was much smaller than the thickness of the sample. The Curie temperature of the irradiated part increased by 63 K, and the absolute value of the pressure coefficient, dTC/dp was smaller than that of non-irradiated part. The relation p≈(TC0-TC)n holds with n=2 for both non-irradiated and irradiated part. The itinerant character was not so much modified by irradiation.

KW - Curie temperature

KW - Fe-Ni invar alloys

KW - Irradiation effects

KW - Pressure effects

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Pressure dependence of the irradiation-induced ferromagnetism in Fe-Ni invar alloys

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