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首页> 外文期刊>Journal of Crystal Growth >Charge transfer in CdTe at 200 and 300 K
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Charge transfer in CdTe at 200 and 300 K

机译:CdTe在200和300 K下的电荷转移

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摘要

Using a perfect single crystal sample of CdTe grown using PVT method, the electronic charge transfer in the Ⅱ-Ⅵ compound semiconductor CdTe at 200 and 300 K has been evaluated using two different approaches: (1) by solving a quadratic equation involving the observed structure factors of h + k+ l = 4n + 2 type reflections; and (2) by a graphical approach in which the observed and calculated atomic form factors are extrapolated to sin θ/λ = 0, to determine the transferred charge. Precise X-ray structure factors collected using MoK_α radiation have been used for the analysis. The results obtained are reasonable and clearly indicate the ionicity by which charge is transferred from Cd to Te in CdTe.
机译:使用通过PVT方法生长的理想的CdTe单晶样品,使用两种不同的方法评估了200和300 K时Ⅱ-Ⅵ型化合物半导体CdTe中的电荷转移:(1)通过求解涉及观察到的结构的二次方程h + k + 1的因子= 4n + 2种类型的反射; (2)通过图形方法将观察到的和计算出的原子形状因数外推至sinθ/λ= 0,以确定转移的电荷。使用MoK_α辐射收集的精确X射线结构因子已用于分析。所获得的结果是合理的,并且清楚地表明了CdTe中电荷从Cd转移到Te的离子性。

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