Magnetism and local structures of new ferromagnet BaFeO $_{3}$ and related materials

Yoshii, Kenji ; Hayashi, Naoaki*; Matsumura, Daiju ; Kusano, Shogo*; Mizumaki, Masaichiro*; Mizuki, Junichiro*; Takano, Mikio*

We have investigated the magnetocaloric effect of BaFeO $_{3}$ and related materials. The substitutions at Ba and Fe sites was found to lead to a suppression of ground-state antiferromagnetic ordering. Hence, hysteretic losses are suppressed by the substitution, a property which is favorable to practical application. From EXAFS measurements using synchrotron radiation, BaFeO $_{3}$ involves a local structural distortion around Fe, whereas such behavior is suppressed by the substitutions. This may be related to the suppression of antiferromagnetic state, whose details will be presented at the conference.

Language	:	Japanese
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Meeting title	:	日本物理学会第69回年次大会
Held date	:	2014/03
Location (city)	:	平塚
Location (country)	:	日本
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Keywords	:	no keyword
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Registration No. : BB20133140
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Magnetism and local structures of new ferromagnet BaFeO and related materials

Magnetism and local structures of new ferromagnet BaFeO $_{3}$ and related materials