Concerning the defect research on lithium niobate crystals,some important defect models and the Nb-site-dependent and Li-site-sensitive model are summarized in this paper.

• 针对铌酸锂晶体中的缺陷研究,本文总结了国内外学者提出的不同晶体缺陷模型及各自的特点,并介绍了我们提出的铌位依赖、锂位敏感模型。