| 摘要 |
To obtain large, high-quality crystals of a metal ortho-phosphate, in particular GaPO4 or AlPO4, from a nutrient solution with the use of seeds, the proposal is put forward that a seed crystal with at least two rod- or wafer-shaped legs be used, which seed legs form an angle with each other and define a main growth region, and which are positioned eccentrically in the single crystal grown. Contiguous faces of two seed legs, which have been chosen for crystal growing, enclose an angle <180°. In this way the yield of the high-quality crystal region will be increased.
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