在外加电场的条件下,利用物理热蒸发法制备出定向排列的非晶硅纳米线,借助扫描电镜、X射线能谱分析仪和透射电镜等对硅纳米线进行了研究.结果表明:定向排列的硅纳米线以两种形式存在,一种是分散的平行排列,另一种是象麻花状的定向排列.同时,硅纳米线一般都处在两个结点之间;当电场不稳定时,可得到部分分叉的硅纳米线.
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