期刊
APPLIED PHYSICS LETTERS
卷 101, 期 17, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4764522
关键词
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资金
- Research Institute for Nanodevice and Bio Systems (RNBS)
- Natural Science Center for Basic Research and Development (N-BARD), Hiroshima University
- Japan Society for the Promotion of Science (JSPS)
- Grants-in-Aid for Scientific Research [12J06779] Funding Source: KAKEN
Phase transformation of amorphous-silicon during millisecond annealing using micro-thermal-plasma-jet irradiation was directly observed using a high-speed camera with microsecond time resolution. An oval-shaped molten-silicon region adjacent to the solid phase crystallization region was clearly observed, followed by lateral large grain growth perpendicular to a liquid-solid interface. Furthermore, leading wave crystallization (LWC), which showed intermittent explosive crystallization, was discovered in front of the moving molten region. The growth mechanism of LWC has been investigated on the basis of numerical simulation implementing explosive movement of a thin liquid layer driven by released latent heat diffusion in a lateral direction. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4764522]
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