Moessbauer Studies of Reactively Deposited Tin Oxide Films.
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概要
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Valence state of tin ions in the reactively deposited SnO<SUB>x</SUB> films were analyzed by Mössbauer spectroscopy. Both the amorphous and crystallized films were composed of Sn<SUP>2+</SUP> and Sn<SUP>4+</SUP>. With increasing oxygen pressure, the oxidized degree of the amorphous films was increased to be saturated at the film composition of SnO<SUB>1.5</SUB>, while it was decreased at the higher substrate temperatures. The crystallized films was markedly oxidized at the higher substrate temperatures. The film composition was nearly SnO<SUB>2</SUB> at 420°C. The values of the isomer shift and quadrupole splitting of Sn<SUP>2+</SUP> and Sn<SUP>4+</SUP> in the amorphous films suggested the oxygen coordinations for Sn<SUP>2+</SUP> and Sn<SUP>4</SUP> similar to those in Sn<SUB>2</SUB>O<SUB>2</SUB> crystals, nearly independent of the film composition.
- 社団法人 粉体粉末冶金協会の論文
著者
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Muranaka Shigetoshi
Faculty Of Integrated Human Studies Kyoto University
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Muranaka Shigetoshi
Faculty of Integrated Human Studies, Kyoto University
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