화학공학소재연구정보센터
Journal of Crystal Growth, Vol.483, 31-38, 2018
Potassium-cobalt sulphate crystal growth assisted by low frequency vibrations
Single crystals of K2Co( SO4) (2)center dot 6H(2)O were grown from solution using the temperature reduction method enhanced by the axial low frequency vibration control technique (AVC-technique). Physical modeling of heat-mass transfer in solution under the AVC action was performed. The growth rate of the AVC grown crystal was found to be twice that of the crystal grown under natural convection conditions. Analysis of spectral characteristics (absorption and Raman spectra) as well as structural properties (dislocation density and microhardness) of the grown crystals showed the significant superiority of the AVC technique for the growth of K2Co(SO4)(2)center dot 6H(2)O crystals. (C) 2017 Elsevier B.V. All rights reserved.