本文采用氧化铝碳热还原方法制备出了多种形态的氮化铝单晶(晶须).通过透射电子显微镜电子衍射和X射线单晶衍射分析,确定了氮化铝单晶常见的生长惯习面,并分析和讨论了氮化铝晶须形态与氮化铝晶体结构与生长惯习面的关系.具有规则六棱柱锥形的AlN晶须的生长取向为[0001]晶向,而叶片状和四方截面形状的AlN晶须则大多沿〈21-1-3-〉晶向进行生长,细小的薄片状AlN晶须则多以{101-0}面和{101-1}面为生长面.
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