Anomalous shift of Curie temperature in iron-nickel invar alloys by high-energy heavy ion irradiation

Iwase, Akihiro; Hamatani, Yutaro*; Mukumoto, Yoshinori*; Ishikawa, Norito ; Chimi, Yasuhiro; Kambara, Tadashi*; Mller, C.*; Neumann, R.*; Ono, Fumihisa*

Fe=Ni Invar alloy is irradiated with GeV Xe and U ions at room temperature. By the irradiation, the Curie temperature of the soecimens increases, which is correlated with the electronic stopping power. This phenomenon can be explained as due to the lattice expansion and/or the local increase in Ni concentration.

Language	:	English
Journal	:	Nuclear Instruments and Methods in Physics Research B
Volume	:	209
Number	:	1-4
Pages	:	p.323 - 328
Publication Year/Month	:	2003/08
Meeting title	:	5th International Symposium on Swift Heavy Ions in Matter (SHIM 2002)
Held date	:	2002/05
Location (city)	:	Taormina
Location (country)	:	Italy
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1016/S0168-583X(02)02055-4
DOI for research data	:
Keywords	:	FeNi Invar; GeV Ions; Electronic Excitation; Curie Temperature; Electronic Excitation Processing
Research Facility	:
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:

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Registration No. : B20020386
JAEA Abstracts No. : 320436
Paper Submission No. : 20895

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