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首次报道了３，４－二甲氧基，４＇－硝基芪（ＭＯＭＯＮＳ）化合物具有倍频效应。用粉末法测得其有效倍频系数ｄ＿（ｅｆｆ）为０．２～３倍ｄ＿（ＫＤＰ）。用坩埚下降法生长出ＭＯＭＯＮＳ单晶体，并用直接法解出了它的结构。从晶体结构讨论了ＭＯＭＯＮＳ晶体的性能。
It was first reported that 3,4-dimethoxy and 4’-nitroxystilbene (MOMONS) compounds have frequency doubling effect. The effective multiplication coefficient d_ (eff) measured by powder method is 0.2 ~ 3 times d_ (KDP). The MOMONS single crystal was grown by the crucible descent method and its structure was solved by the direct method. The properties of MOMONS crystals are discussed from the crystal structure.