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ACRT-Te溶液Bridgman法生长的In掺杂CdMnTe界面研究(英文) 被引量:2

Growth interface of In-doped CdMnTe from Te solution with vertical Bridgman method under ACRT technique
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摘要 采用ACRT-Te溶液垂直布里奇曼法成功制备出直径为30mm、长度为60mm的CdMnTe晶锭。相对于普通布里奇曼法生长的CdMnTe晶锭,Te溶液法生长的 CdMnTe晶锭中的孪晶大大减少。但是由于较高的Te夹杂相密度,红外透过成像显示晶锭生长界面的微观形貌既不均匀也不规则。同时,采用激光共聚焦显微镜也观察到CdMnTe富Te区存在无规律沉积的含有孔洞的不规则形状Te相。如果采用合适的生长工艺得到较为平直的生长界面,Te溶液垂直布里奇曼法可以有效减少CdMnTe晶体中的孪晶。 采用ACRT-Te溶液垂直布里奇曼法成功制备出直径为30mm、长度为60mm的CdMnTe晶锭。相对于普通布里奇曼法生长的CdMnTe晶锭,Te溶液法生长的 CdMnTe晶锭中的孪晶大大减少。但是由于较高的Te夹杂相密度,红外透过成像显示晶锭生长界面的微观形貌既不均匀也不规则。同时,采用激光共聚焦显微镜也观察到CdMnTe富Te区存在无规律沉积的含有孔洞的不规则形状Te相。如果采用合适的生长工艺得到较为平直的生长界面,Te溶液垂直布里奇曼法可以有效减少CdMnTe晶体中的孪晶。
出处 《中国有色金属学会会刊:英文版》 CSCD 2012年第S1期143-147,共5页 Transactions of Nonferrous Metals Society of China
基金 Projects (50872111, 50902113, 61274081) supported by the National Natural Science Foundation of China Project (2011CB610406) supported by the National Basic Research Program of China Project (B08040) supported by the 111 Project of China Project (JC20100228) supported by Foundation for Fundamental Research of Northwestern Polytechnical University (NPU), China Project (SKLSP201012) supported by the Research Fund of the State Key Laboratory of Solidification Processing (NPU), China
关键词 溶液法生长 垂直Bridgman法 CDMNTE 孪晶 生长界面 Te夹杂相 solution growth vertical Bridgman method CdMnTe twins growth interface Te inclusions
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