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- 武居 文彦
- 大阪大学理学部宇宙地球科学科
書誌事項
- タイトル別名
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- Analysis on Crystal Growth Mechanism of Oxides by In-situ Observation Method.
- ソノバ カンサツ ソクテイ ニヨル サンカブツ ケッショウ ノ セイチョウ キ
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Growth mechanism of oxide crystals from a heterogeneous condition of solid-melt mixtures formed by incongruent melting has been analyzed using a newly developed in-situ observation system, which is composed of a time-resolving X-ray powder diffraction apparatus using a PSPC (Position Sensitive Proportional Counter) combined with an optical microscope, images of which are detected by a CCD sensor and stored into a video-recording system. Measurements are carried out on the oxide superconductor system Y-Ba-Cu-O, where well-habited single crystals of the superconductive compound YBa2Cu3Ox are easily obtained from a mixture of solid Y2BaCuO5 and liquid with the aid of the peritectic reaction. The results indicate that recrystallization by Ostwald ripening plays a main role in such a heterogeneous condition and diffusion of YBa2Cu3Ox molecules in the liquid phase determines the whole growth rate.
収録刊行物
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- 鉱物学雜誌
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鉱物学雜誌 24 (4), 253-258, 1995
一般社団法人 日本鉱物科学会
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詳細情報 詳細情報について
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- CRID
- 1390282681502101248
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- NII論文ID
- 10008767631
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- NII書誌ID
- AN00084868
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- ISSN
- 18837018
- 04541146
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- NDL書誌ID
- 4226725
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可