Growth of AIN Single Crystals by Modified Sublimation Method

Abstract

Abstract: AlN crystals were grown by modified sandwich sublimation method in nitrogen atmosphere.High quality AlN single crystals with typical hexagonal crystal habit were obtained by optimizing growth conditions. It was found that the AlN crystals which were grown on different regions in the crucible exhibit different crystal habits. The influence of the temperature gradient on the size and morphology of the crystals was discussed.

Key words: AlN crystals were grown by modified sandwich sublimation method in nitrogen atmosphere.High quality AlN single crystals with typical hexagonal crystal habit were obtained by optimizing growth conditions. It was found that the AlN crystals which were grown on different regions in the crucible exhibit different crystal habits. The influence of the temperature gradient on the size and morphology of the crystals was discussed.

CLC Number:

O782

SUN Xiu-ming;ZHENG Rui-sheng;LU Feng;WU Hong-lei;LIU Wen;JING Shou-yong. Growth of AIN Single Crystals by Modified Sublimation Method[J]. Journal of Synthetic Crystals, 2007, 36(5): 1160-1165.

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Growth of AIN Single Crystals by Modified Sublimation Method

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