Ferromagnetism in Transparent Thin Films of Fe-Doped Indium Tin Oxide
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概要
- 論文の詳細を見る
Transparent films of Fe-doped indium tin oxide (ITO) were grown at oxygen pressures of 5, 1, $10^{-1}$, $10^{-2}$, and $10^{-3}$ Pa on yttria-stabilized zirconia (001) substrates by a pulsed-laser deposition method. We observed X-ray diffraction peaks from $(00h)$ planes of In2O3 crystalline phase for the films. The films grown at 5 and 1 Pa were paramagnetic and semiconducting, that at $10^{-1}$ Pa was ferromagnetic and semiconducting, and those at $10^{-2}$ and $10^{-3}$ Pa were ferromagnetic and metallic. The Fe-ITO films grown below $10^{-1}$ Pa exhibited room-temperature (RT) ferromagnetism. Nanoscale Fe clusters in the highest oxidation state such as $\gamma$-Fe2O3 resulted in the RT ferromagnetism.
- Japan Society of Applied Physicsの論文
- 2006-09-25
著者
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Kohiki Shigemi
Department Of Applied Chemistry Faculty Of Engineering Kyushu Institute Of Technology
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Kawai Tomoji
Institute For Scientific And Industrial Research Osaka University
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Okada Koichi
Department Of Electrical Engineering School Of Science And Engineering Waseda University:(present Ad
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Tanaka Hidekazu
Institute Of Mathematics University Of Tsukuba
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Oku Masaoki
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
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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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Ohno Takahiro
Institute of Scientific and Industrial Research, Osaka University, Osaka 567-0047, Japan
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Kawai Tomoji
Institute of Scientific and Industrial Research, Osaka University, Osaka 567-0047, Japan
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Kawahara Toshio
Institute of Scientific and Industrial Research, Osaka University, Osaka 567-0047, Japan
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Kohiki Shigemi
Department of Materials Science, Kyushu Institute of Technology, Kitakyushu, Fukuoka 804-8550, Japan
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Okada Koichi
Department of Materials Science, Kyushu Institute of Technology, Kitakyushu, Fukuoka 804-8550, Japan
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OKADA Koichi
Department of Applied Biological Chemistry, The University of Tokyo
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Kawai Tomoji
Institute for Molecular Science
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Tanaka Hidekazu
Institute of Scientific and Industrial Research, Osaka University, Osaka 567-0047, Japan
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