The crystals of formate family became very interesting for their nonlinear optical characteristics,among them the lithium formate monohydrate(LFM)was a prominent one.

• 甲酸盐晶体是一族引人瞩目的非线性光学材料，一水甲酸锂(LFM)是甲酸盐系列中综合性能优良的晶体之一。