Anisotropy of Elastic Properties and Dynamics of ZnAs2 Crystal Lattice

被引:0
|
作者
Raranckee, M. D. [1 ]
Balazyuk, V. H. [1 ]
Melnik, M. G. [1 ]
Khiginitska, O. M. [1 ]
Kovalyuk, Z. D. [2 ]
机构
[1] Chernivtsi Natl Univ, UA-58012 Chernovtsy, Ukraine
[2] Chernivtsi Natl Univ, Natl Acad Sci, Dept Problems Mat, Chernovtsy, Ukraine
来源
METALLOFIZIKA I NOVEISHIE TEKHNOLOGII | 2012年 / 34卷 / 09期
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T [工业技术];
学科分类号
08 ;
摘要
For ZnAs2 single crystals (monoclinic syngony), x-ray diffraction method is used to investigate the temperature dependences of thermal expansion coefficients, alpha(ij)(T), mean square displacement of atoms, (U) over bar (2), and characteristic De-bye temperatures, OD. Ultrasonic pulse method is used to determine the velocities of elastic-waves' propagation, nu(i)(T) (i = 1, ..., 18), elastic moduli, C-ij(T), and other parameters of zinc diarsenide crystal-lattice dynamics. Anisotropic elasticity, crystal-lattice stability, and chemical-bond character are analysed.
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页码:1293 / 1306
页数:14
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