期刊
JOURNAL OF APPLIED PHYSICS
卷 110, 期 12, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3673591
关键词
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资金
- Priority Assistance for the Formation of Worldwide Renowned Centers of Research - The Global COE Program
- Ministry of Education, Culture, Sports, Science and Technology of Japan
- [21560759]
- Grants-in-Aid for Scientific Research [19GS0207, 22684032, 09J00825, 21560759] Funding Source: KAKEN
We measured the grain size of metastable phase of Si synthesized by shock compression. We analyzed the crystalline structures of the femtosecond laser-driven shock compressed silicon with x-ray diffraction measurements. We found that submicron grains of metastable Si-VIII exist in the silicon. We suggest that the pressure loading time is too short for the nucleated high-pressure phases to grow in case of the femtosecond laser-driven shock compression, therefore Si-VIII grains of submicron size are obtained. We are expecting to discover other unique crystalline structures induced by the femtosecond laser-driven shock wave. (C) 2011 American Institute of Physics. [doi:10.1063/1.3673591]
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