Competitive growth of Sb2Se3 and GeSe2 crystals in pseudobinary (GeSe2)x(Sb2Se3)1-x glass-forming materials

被引：2
|
作者：
Bartak, J. [1 ]
Valdes, D. [1 ]
Martinkova, S. [1 ]
Shanelova, J. [1 ]
Kostal, P. [2 ]
机构：
[1] Univ Pardubice, Dept Phys Chem, Studentska 573, Pardubice 53210, Czech Republic
[2] Univ Pardubice, Dept Inorgan Technol, Doubravice 41, Pardubice 53210, Czech Republic
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2023年 / 607卷
关键词：
Chalcogenides; Crystal growth; Viscosity; CRYSTALLIZATION KINETICS; CHALCOGENIDE GLASS; VISCOSITY; LIQUIDS;
D O I：
10.1016/j.jnoncrysol.2023.122229
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The present study deals with crystal growth in undercooled melts in the GeSe2-rich region of the (GeSe2)x(Sb2Se3)1-x system. Two different crystalline phases (Sb2Se3 and GeSe2) were identified and directly investigated using infrared microscopy. In the case of GeSe2 crystals, the crystal growth rates depended only on the temperature and did not change with the composition of the system. The competitive growth of Sb2Se3 and GeSe2 was described in terms of current crystal growth theories. To complete the viscosity behavior in (GeSe2)x(Sb2Se3)1-x system, new viscosity data were obtained for the (GeSe2)0.9(Sb2Se3)0.1 composition. The combination of growth and viscosity data provides useful information on crystal growth and enables the pre-diction of crystal growth rates in the (GeSe2)x(Sb2Se3)1-x system over a wide temperature range.
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页数：10
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