2ND-HARMONIC GENERATION FROM MIXED-CRYSTALS OF P-NITROANILINE

被引：25

作者：

MATSUSHIMA, R

HIRAMATSU, K

OKAMOTO, N

机构：

[1] Department of Applied Chemistry, Faculty of Engineering, Shizuoka University

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1993年 / 3卷 / 10期

关键词：

2ND-HARMONIC GENERATION; P-NITROANILINE; NONCENTROSYMMETRIC CRYSTAL; CRYSTAL GROWTH; X-RAY DIFFRACTION;

D O I：

10.1039/jm9930301045

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Second-harmonic (SH) activities of p-nitroaniline (pNA) crystallized in the presence of aromatic additives or impurities, have been measured by the SHG powder method with a 1064 nm Nd: YAG laser source; values were in the range 100-1000 x urea, depending on the additives and crystal-growth conditions. The SH-active crystals showed XRD patterns substantially different from that of the centrosymmetric pNA crystal, and were thermally unstable. The effects of foreign substances were discussed in terms of the control of crystal growth via an adsorption-inhibition mechanism.

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收藏

页码：1045 / 1048

页数：4

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