Growth and Evaporation of Tungsten Oxide Crystals
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概要
- 論文の詳細を見る
Growth and evaporation processes of tungsten oxide crystals formed on a surface of metallic tungsten filament at elevated temperature were observed continuously by an electron microscope. In the temperature ranges of 700〜1300℃, 1300〜1600℃ and 1600〜1800℃, needle crystals, lump-like crystals and thin films were grown up respectively, but they soon disappeared by evaporation, and above 2000℃, no crystals were grown. The effect of preliminary heating of the specimen filament in air on the crystal growth was also ascertained. It became clear that the material needed for crystal growth was supplied from the vapour phase, and a simple relation between growth rate and needle diameter was obtained.
- 社団法人日本物理学会の論文
- 1960-06-05
著者
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Tanaka Kenzo
Department Of Physics Faculty Of Science Kyoto University
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Hashimoto Hatsujiro
Department Of Applied Physics Faculty Of Engineering Osaka University
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Yoda Eiji
Department Of Physics Faculty Of Science Kyoto University
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TANAKA KENZO
Department of Pathology Faculty of Medicine, Kyushu University
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