E. N. Korobeynikova, V. I. Strelov, S. I. Supel’nyak, V. N. Vlasov
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Study of the Features of Concentration Inhomogeneities during the On-Ground-Based Processing of the Space Experiment on the Ge(Ga) Crystal Growth
The results of the preparation and ground testing of the space experiment for growing Ge(Ga) crystals, planned on board the multifunctional laboratory module as a part of the ISS RS are reported. Under the conditions simulating microgravity, the features of the formation of concentration inhomogeneity in the form of striations when growing crystals under various thermal conditions (in the presence or absence of a free melt surface (Marangoni convection)), as well as when changing technological parameters (variations in growth rate) are investigated. Based on the obtained results of metallographic and electrophysical studies, conclusions are drawn on the peculiarities of the influence of the technological parameters of the crystallization process on the structural perfection of crystals grown under microgravity conditions.
期刊介绍：
Crystallography Reports is a journal that publishes original articles short communications, and reviews on various aspects of crystallography: diffraction and scattering of X-rays, electrons, and neutrons, determination of crystal structure of inorganic and organic substances, including proteins and other biological substances; UV-VIS and IR spectroscopy; growth, imperfect structure and physical properties of crystals; thin films, liquid crystals, nanomaterials, partially disordered systems, and the methods of studies.
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