Magnetism of Ultrathin Fe_3O_4 Films
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概要
- 論文の詳細を見る
Ultrathin Fe.0. films were prepared by reduction of multilayered a-Fe.0.-Si0 films. The ultrathin Fe30.? was antiferromagnetic at low temperatures, al-though it had a small spontaneous magnetization of 3 emu/g. The magnetization-temperature curve shows a maximum at 65 K, which may corresponds to theblocking temperature of a superparamagnetism. The superparamagnetic behaviorwas also observed in the M6ssbauer spectra. The M6ssbauer spectrum at roomtemperature shows a paramagnetic state and is analyzed to consist of the threekinds of doublets due to Fe" in A site, Fe"" in B site and Fe" in B site.
- 社団法人日本物理学会の論文
- 1985-10-15
著者
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Bando Yoshichika
Institute For Chemical Reaearch Kyoto University
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Terashima Takahito
Institute For Chemical Reaearch Kyoto University
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