In-Situ Observation of the Electrical Conductivity upon Release and Uptake of Oxygen in Indium Tin Oxide Sinter
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概要
- 論文の詳細を見る
The electrical conductivity, the oxygen release and uptake of sintered indium tin oxide (ITO) upon heating and cooling under the condition that P(O2)/P*=4.9×10-4 (P*=atmospheric pressure), when P(O2) was approximately 50 Pa, were simultaneously observed. Two kinds of oxygen release and uptake were detected in the different temperature ranges of 973<T<1130 K and 1130<T<1273 K. Electrical conductivity was increased as a result of the increase in carrier concentration due to oxygen release at the higher temperature, although the conductivity was not altered by the oxygen release at the lower temperature. Decrease in the mobility of conduction electrons could be explained in terms of the increase in the concentration of the scattering centers induced by release and uptake of oxygen atoms.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1998-03-15
著者
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Otsuka-yao-matsuo Shinya
Department Of Materials Science And Processing Graduate School Of Engineering Osaka University
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Omata Takahisa
Department Of Materials Science And Processing Graduate School Of Engineering Osaka University
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ONO Naoki
Electronics Materials Sector, Mitsui Mining & Smelting Co., Ltd
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Fujiwara Hiroyuki
Department Of Anesthesia/intensive Care National Children's Hospital
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Fujiwara Hiroyuki
Department of Materials Science and Processing, Graduate School of Engineering, Osaka University,
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Ono Naoki
Electronics Materials Sector, Mitsui Mining & Smelting Co., Ltd., 2081 Tohsen, Ohmuta 836-0003, Japan
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Otsuka-Yao-Matsuo Shinya
Department of Materials Science and Processing, Graduate School of Engineering, Osaka University,
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