Barz, Ralph-Uwe; Grassl, M.; Gille, Peter
Growth of gallium orthophosphate single crystals under hydrothermal conditions.
In: Crystal Research and Technology, Vol. 34, No. 9: pp. 1121-1127
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Gallium orthophosphate (GAPO4) single crystals have been grown from phosphoric acid solutions under hydrothermal conditions. The crystals have been studied in terms of twinning because of the strong effect of this structural defect on the piezoelectric properties. The growth rates of individual faces have been compared to each other by considering the dipyramidal habit of the grown crystals.