利用激光退火的方式在低温下制备多晶硅薄膜,采用xRD、sEM等分析手段,进行了表征分析.对晶化的罔值能量密度进行了计算.并对激光退火的机理进行了探讨.研究结果表明:a-Si晶化的阈值能量密度与薄膜的厚度无关,在晶化区内,晶粒尺寸的大小随着照射到薄膜表面的激光能量密度的增加而增加.
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