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首页> 外文期刊>Journal of Crystal Growth >Growth and structural properties of Zn_(1-x)Cr_xTe crystals
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Growth and structural properties of Zn_(1-x)Cr_xTe crystals

机译:Zn_(1-x)Cr_xTe晶体的生长和结构性质

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摘要

Single crystals of Zn_(1-x)Cr_xTe were grown by vapour phase growth method in the composition range of 0≤x≤0.005. Chemical analysis, surface morphology, structural and microhardness studies were carried out by EDAX, SEM, XRD and Vicker's indentation techniques, respectively. Microscopic variations between the target and actual compositions were noticed. Morphology studies revealed that dislocation aided growth is active in the present crystals. XRD studies showed that samples of all compositions crystallized in zinc blende structure, and the lattice parameters varied linearly with x following Vegard's law. Vicker's hardness (H_v) decreased exponentially with x.
机译:通过气相生长法在0≤x≤0.005的组成范围内生长Zn_(1-x)Cr_xTe单晶。化学分析,表面形态,结构和显微硬度研究分别通过EDAX,SEM,XRD和Vicker压痕技术进行。注意到目标和实际组成之间的微观变化。形态学研究表明,在本晶体中位错辅助生长是活跃的。 XRD研究表明,所有成分的样品均以锌共混物结构结晶,晶格参数随Vegard定律随x线性变化。维氏硬度(H_v)随x呈指数下降。

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