Magnetic Behavior of Fe Doped In2O3
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概要
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We report spin-glass transition at room temperature (RT) and cluster-glass behavior below RT for Fe doped In2O3 powders with the atomic ratio of $\text{In} : \text{Fe} = 1.85 : 0.15$ grown in an oxygen atmosphere. In ac susceptibility, a large peak and a small cusp were observed at RT and ${\approx}30$ K, respectively. The peak at RT shifted to higher temperatures with an increase of applied field frequency, while the cusp showed no frequency dependence. Third harmonic nonlinear susceptibility exhibited a divergent peak at RT. Field-cooled dc susceptibility increased almost linearly below RT, whereas zero-field-cooled dc susceptibility deviated below the field-cooled one with lowering temperature.
- 2005-07-10
著者
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MITOME Masanori
National Institute for Materials Science
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Kohiki Shigemi
Department Of Applied Chemistry Faculty Of Engineering Kyushu Institute Of Technology
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Deguchi Hiroyuki
Department Of Applied Science Faculty Of Engineering Kyushu University
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MURAKAWA Yusuke
Department of Materials Science, Kyushu Institute of Technology
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Hori Kyoko
Department Of Materials Science Kyushu Institute Of Technology
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Bando Yoshio
National Institute For Materials Science Advanced Materials Laboratory
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Arai Masao
National Institute For Materials Science
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Oku Masaoki
Institute for Materials Reseach, Tohoku University, 2-1-1 Katahira-cho, Aoba-ku, Sendai 980-8577, Japan
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SHIMOOKA Hirokazu
Department of Applied Chemistry, Kyushu Institute of Technology
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Arai Masao
National Institute of Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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Oku Masaoki
Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba, Sendai 980-8577, Japan
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Tajiri Takayuki
Department of Chemistry, Faculty of Science, Saitama University
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