Vapour transport of CdCr2S4 and HgCr2Se4: Chemical equilibrium and crystal growth

Autor:	S. I. Radautsan, K. G. Nikiforov, V. K. Belyaev, V. A. Bazakutsa
Rok vydání:	1989
Předmět:	Transport agent Chemistry Thermodynamics Mineralogy Crystal growth General Chemistry Partial pressure Atmospheric temperature range Condensed Matter Physics Crystal Phase composition Speed of sound General Materials Science Chemical equilibrium
Zdroj:	Crystal Research and Technology. 24:371-377
ISSN:	1521-4079 0232-1300
DOI:	10.1002/crat.2170240407
Popis:	Theoretical and experimental studies of the CdCr2S4(HgCr2Se4): CrCl3 systems have been performed for the crystal composition control in the chemical transport growth. The balance partial pressures of the components have been calculated in a wide temperature range. It is shown that the CdCr2S4 composition control can take place with the powerful change of the transport agent quantity. Such control for the HgCr2Se4: CrCl3 system is more difficult. The calculated vapour phase composition is in good agreement with the determined one based on the measurements of the sound speed and transport rate. [Russian Text Ignored].
Databáze:	OpenAIRE
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