Pressure effects on the structural and elastic properties of AgGaS2-AgGaSe2 crystals:: An X-ray diffraction study

被引：3
|
作者：
Orlova, NS
Andreeva, OE
Bodnar, IV
机构：
[1] Byelarussian Acad Sci, Inst Solid State & Semicond Phys, Minsk 220072, BELARUS
[2] Belarussian State Univ Informat Sci & Radio Engn, Minsk 220027, BELARUS
来源：
INORGANIC MATERIALS | 2001年 / 37卷 / 06期
关键词：
D O I：
10.1023/A:1017547829408
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The structural and elastic properties of AgGa(S1-xSex)(2) crystals with the tetragonal chalcopyrite structure were studied by x-ray powder diffraction at pressures of up to 4 GPa. All of the crystals were found to have anisotropic elastic properties, with the c-axis compressibility notably exceeding the a-axis compressibility. The compression along the longer bond Ag-S(Se) is smaller than that along the Ga-S(Se). The compressibility anisotropy in the solid solutions and AgGaSe2 is stronger than that in AgGaS2. The composition dependences of the elastic constants are nonlinear.
引用
收藏
页码：548 / 555
页数：8
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