| 研究実績の概要 |
In this research project, we have successfully grown single-grain crystal stripes on thermal-evaporated Al thin films, and sputter-deposited Au thin films by using laser beam scanning. In the last 2 years, we have established the conditions necessary for the growth of single-grain crystal on Au thin film by laser beam scanning. The mechanism of single-grain crystal growth and its crystal orientation selection was elucidated. For single-grain crystal growth on metal thin films, the laser beam should be controlled to maintain a complete melt pool without excessive ablation. A SiO2 capping layer thicker than 400 nm is required to fulfill this requirement.
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