7,7,8,8-四氰基亚二甲烷(TCNQ)掺杂有机晶体2-环亚氨基-5-硝基吡啶(COANP)的光折变效应

K. Sutter, J. Hulliger, P. Günter
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引用次数: 0

摘要

在LiNbO3、KNbO3、Bi12SiO20、BaTiO3、GaAs、InP:Fe等多种无机材料中都发现了光折变效应(由于光诱导空间电荷场驱动的电光指数变化)。据我们所知,在有机晶体中还没有这种效应的报道。本文报道了在电光分子晶体中有意掺杂以诱导光折变特性的光致光栅的观察结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Photorefractive effects in the organic crystal 2-cyclooctyIamino-5-nitropyridine (COANP) doped with 7,7,8,8-tetracyanochinodimethane (TCNQ)
Photorefractive effects (due to electro-optic index change driven by photoinduced space-charge fields) have been found in a wide range of inorganic materials such as LiNbO3, KNbO3, Bi12SiO20, BaTiO3, GaAs, InP:Fe and others. To our knowledge, no such effects have been reported yet for an organic crystal. In this paper we report the observation of photoinduced gratings in an electro-optic molecular crystal which has been intentionally doped to induce photorefractive properties.
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