Heat source optimization in a multisection heater for the growth of bismuth germanate crystals by the low-gradient Czochralski method |
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| Authors: | M. G. Vasiliev V. M. Mamedov S. A. Rukolaine V. S. Yuferev |
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| Affiliation: | 1.Ioffe Physical Technical Institute,Russian Academy of Sciences,St. Petersburg,Russia |
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| Abstract: | The growth of bismuth germanate crystals with uniform heater control has been simulated within the time-dependent approach. To optimize the multisection heater control, the global heat transfer optimization problem in a crystallization setup was considered. A new control algorithm, based on the solution of the optimization problem, is proposed. |
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