(a) Vortex structures and (b) isothermal curves in the beginning of crystallization for unstable temperature stratification leading to weak symmetrical convection in melt during slow cassette cooling at V = 0.15 mm/min.

 
 
  Part of: Prostomolotov AI, Verezub NA (2020) Mathematical modeling of thermal processes during "cassette" crystallization of chalcogenides. Modern Electronic Materials 6(1): 9-16. https://doi.org/10.3897/j.moem.6.1.55282