Phase Transformation of Silicon under Nonhydrostatic Stress State: Formation of Si II Phase under a Round Indenter
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概要
- 論文の詳細を見る
Silicon transforms from a diamond cubic structure to a $\beta$-Sn structure as induced by mechanical stress, the magnitude of which changes depending on the stress state. In this study, the origin of the transformed silicon is explored with a stress criterion independent of the stress state. As an illustration of a nonhydrostatic stress state, the stress distribution of silicon under a round indenter is analyzed by finite element analysis. As a result, the initial formation of $\beta$-Sn structured silicon is successfully explained using the new stress criterion.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2009-03-25
著者
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Jeong Seong-Min
Korea Institute of Ceramic Engineering and Technology (KICET), Seoul 153-801, Korea
-
Kitamura Takayuki
Department Of Anesthesia And Pain Relief Center The University Of Tokyo Hospital
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Jeong Seong-Min
Korea Institute of Ceramic Engineering and Technology, 233-5 Gasan-dong, Guemcheon-gu, Seoul 153-801, Korea
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Kitamura Takayuki
Department of Mechanical Engineering and Science, Kyoto University, Kyoto 606-8501, Japan
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