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Fabrication of high purity AIN whisker
Author(s): 
Pages: 229-231
Year: Issue:  3
Journal: MATERIALS SCIENCE AND TECHNOLOGY

Keyword:  氮化铝晶须枝晶蒸发凝聚法;
Abstract: 以Al、AlN粉为原料,采用合适的矿化剂,通过控制反应器内的温度和气相过饱和度,可以获得不同尺度的AlN晶须或枝晶.合成出的AlN晶须纯度高,晶体结构完整,晶须直径可控(1-20μm),长度为cm级.高温合成的AlN枝晶,直径为1mm,长度约0.5 cm,为六棱椎形针状晶体,在{2111},{1011}面存在明显的择优取向.生长机理为气-固(VS)机理.
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