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Real Structures of Doped Lead Telluride Crystals

机译:掺杂碲化铅晶体的真实结构

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摘要

A relationship between the real crystal structure and the doping level was proposed based on experimental data on the real structures of PbTe crystals with different Cr, Co, Ni, and In contents. Two composition regions were revealed for these crystals. One region is characterized by the presence of impurity atmospheres at dislocations as the main type of impurity inhomogeneity, whereas impurity-rich microprecipitates prevail in the second region. Possible reasons for the formation of solid solutions supersaturated with impurity ions were analyzed. The influence of thermal treatment on the real structure and galvanomagnetic properties of the crystals was investigated.
机译:基于不同Cr,Co,Ni和In含量的PbTe晶体的真实结构的实验数据,提出了真实晶体结构与掺杂水平之间的关系。这些晶体显示出两个组成区域。一个区域的特征是位错处存在杂质气氛,这是杂质不均匀性的主要类型,而第二区域盛行着富含杂质的微沉淀物。分析了形成杂质离子过饱和固溶体的可能原因。研究了热处理对晶体的真实结构和电磁性能的影响。

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