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采用垂直布里奇曼法,生长出直径为30 mm的Hg3In2Te6晶体.通过透射电子显微镜观察Hg3In2Te6晶体和第二相粒子的形貌,并利用选区电子衍射技术分析其物相.结果表明:晶锭基体的物相为Hg0.5In0.33Te;同时观察到了HgTe、In2Te3等第二相,尺寸为10~40 nm.推测晶体发生分解是形成第二相的原因.

参考文献

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