Investigation of cracks formation in sapphire crystals

[摘要] The analysis of the possible reasons of cracks formation in the sapphire crystals received by the horizontally directed crystallization method on the basis of the received results of numerical simulation of thermoelastic tension in the sapphire crystal is carried out.

[发布机构] Southern Federal University, Institute of Nanotechnologies, Electronics and Equipment Engineering, Department of Electronic Apparatuses Design, Nekrasovskii per. 44, Taganrog; 347900, Russia^1;RheinMain University of Applied Sciences, Kurt-Schumacher-Ring 18, Wiesbaden; D-65197, Germany^2

[关键词] Directed crystallization;Sapphire crystal;Thermoelastics