Importance

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Abstract

A fabricating method for growing a single crystal of a multi-type compound comprises steps of: (a) providing a seed crystal at a deposition region; (b) providing a powder material at a high purity source region; and (c) undertaking a vacuum process, a heating process, a growing process, a cooling process to prepare the singe crystal, wherein a heating source is used to move to control a temperature gradient within a gas temperature control region to form a temperature gradient motion so that the temperature gradient presents a variation. By reducing the possibility of other deficiencies being continuously induced in the following crystal growth process owing to the local slime occurring at the rear side of the seed crystal from the void deficiencies at the rear side of the original seed crystal may be excluded, but also the possibility of other multi-type bodies being induced by the above vacancies.

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First Claim