Numerical and experimental investigation of the effect of crucible translation in liquid phase diffusion growth of SiGe

In order to determine the optimum translation profile, the LPD system was numerically simulated. The impact of dynamic translation rate has also been examined numerically by prescribing dynamic thermal boundary conditions along the growth ampoule. The numerical and experimental findings reveal a significant reduction in the axial composition variation in the grown crystal, with an additional advantage of shorter growth period thereby justifying the use of crucible translation as a means to achieve higher compositional uniformity in the grown crystals.