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Efforts have been made in growing bulk single crystals of GaN from supercritical fluids using the ammonothermal method, which utilizes ammonia as fluid rather than water as in the hydrothermal process. Different mineralizers such as amide or azide and temperatures in the range of 200-600 o C have been used to increase the solubility. The pressure is from 1 to 4kbar. Modeling of the ammonothermal...
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