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本文报导了作者对直拉法生长Y-LiNbO_3单晶的胞状界面的形成及其形态所进行的观测和研究.结果表明,虽然胞状界面的形态因晶体的生长方向而异,但是胞状界面上的胞都是由{01·2}小晶面组成的.文中还讨论了氧化物晶体与金属晶体的胞状界面在形态上的差别,指出其根本原因在于二者的熔化熵不同.
This paper reports the observation and research on the formation and morphology of the cell interface of Y-LiNbO_3 single crystal grown by Czochralski method.The results show that although the morphology of the cell interface varies with the growth direction of the crystal, The cells are composed of {01 · 2} facets. The morphological difference of the cell interface between the oxide crystals and the metal crystals is also discussed. The fundamental reason is that the melting entropies of the two are different.