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A new inorganic-organic hybrid zinc borate was prepared under hydrothermal conditions. This compound is the first KBe2BO3F2 (KBBF) derivative with zinc borate layers linked by mononegatively charged amino acids. Notably, it exhibits a relatively large second-harmonic-generation response of about 2.0 times that of KBBF and a moderate birefringence for phase matching in the UV region. The enhanced interlayer interaction was evaluated by theoretical calculations based on density functional theory.
Tang et al. (Thu,) studied this question.