期刊
JOURNAL OF NON-CRYSTALLINE SOLIDS
卷 607, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jnoncrysol.2023.122229
关键词
Chalcogenides; Crystal growth; Viscosity
The study investigates crystal growth in undercooled melts in the GeSe2-rich region of the (GeSe2)x(Sb2Se3)1-x system. Two crystalline phases (Sb2Se3 and GeSe2) were directly observed using infrared microscopy. The growth rates of GeSe2 crystals depend only on temperature and are independent of the system's composition. The competitive growth of Sb2Se3 and GeSe2 is explained using existing crystal growth theories. New viscosity data for the (GeSe2)0.9(Sb2Se3)0.1 composition were obtained to complement the viscosity behavior in the (GeSe2)x(Sb2Se3)1-x system. The combination of growth and viscosity data provides valuable insights into crystal growth and allows for the prediction of crystal growth rates over a wide temperature range in the (GeSe2)x(Sb2Se3)1-x system.
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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