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

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

Research output: Contribution to journalArticle

6 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)14-18
Number of pages5
JournalJournal of Magnetism and Magnetic Materials
Volume298
Issue number1
DOIs
Publication statusPublished - Mar 2006

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Ferromagnetism
pressure dependence
ferromagnetism
Irradiation
irradiation
Hydrostatic pressure
Curie temperature
hydrostatic pressure
Ions
coefficients
ions

Keywords

  • Curie temperature
  • Fe-Ni invar alloys
  • Irradiation effects
  • Pressure effects

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Pressure dependence of the irradiation-induced ferromagnetism in Fe-Ni invar alloys. / Matsushima, Yasushi; Sun, N. Q.; Kanamitsu, H.; Matsushita, M.; Iwase, A.; Chimi, Y.; Ishikawa, N.; Kambara, T.; Ono, F.

In: Journal of Magnetism and Magnetic Materials, Vol. 298, No. 1, 03.2006, p. 14-18.

Research output: Contribution to journalArticle

Matsushima, Y, Sun, NQ, Kanamitsu, H, Matsushita, M, Iwase, A, Chimi, Y, Ishikawa, N, Kambara, T & Ono, F 2006, 'Pressure dependence of the irradiation-induced ferromagnetism in Fe-Ni invar alloys', Journal of Magnetism and Magnetic Materials, vol. 298, no. 1, pp. 14-18. https://doi.org/10.1016/j.jmmm.2005.02.065
Matsushima, Yasushi ; Sun, N. Q. ; Kanamitsu, H. ; Matsushita, M. ; Iwase, A. ; Chimi, Y. ; Ishikawa, N. ; Kambara, T. ; Ono, F. / Pressure dependence of the irradiation-induced ferromagnetism in Fe-Ni invar alloys. In: Journal of Magnetism and Magnetic Materials. 2006 ; Vol. 298, No. 1. pp. 14-18.
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AU - Chimi, Y.

AU - Ishikawa, N.

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AU - Ono, F.

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