The thermoelastic stress developing during the growth of disk-shaped Ge single crystals for IR applications was evaluated theoretically. The results were shown to correlate with the dislocation structure of large Ge single crystals grown by the Stepanov method and directional solidification.

Internal Stresses and Dislocation Structure in Germanium Single Crystals. I.A.Kaplunov: Inorganic Materials, 2006, 42[6], 586-92