Growth and Properties of CuAlS2xSe2(1 – x) Single Crystals

被引：0
|
作者：
I. V. Bodnar'
机构：
[1] Belarussian State University of Information Science and Radio Engineering,
来源：
Inorganic Materials | 2002年 / 38卷
关键词：
Reflection; Inorganic Chemistry; Phase Diagram; Solid Solution; Thermal Analysis;
D O I：
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中图分类号：
学科分类号：
摘要：
CuAlS2 , CuAlSe2 , and CuAlS2xSe2(1 – x) (0 < x < 1) single crystals were grown by chemical vapor transport in a close-spaced geometry and characterized by x-ray diffraction and differential thermal analysis. The results were used to map out the CuAlSe2–CuAlS2 phase diagram. The density of the crystals was found to vary linearly with x, while microhardness shows a maximum. The transmission and reflection data obtained near the intrinsic edge were used to determine the band gap Eg of CuAlS2 , CuAlSe2 , and the solid solutions. Eg was found to vary nonlinearly with composition.
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页码：647 / 651
页数：4
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