Studies on growth, spectral, optical and mechanical properties of new organic NLO crystal: Guanidinium L-glutamate (GuGL)

被引：22

作者：

Arumanayagam, T. ^{[1
]}

Ananth, S. ^{[1
]}

Murugakoothan, P. ^{[1
]}

机构：

[1] Pachaiyappas Coll, PG & Res Dept Phys, Madras 600030, Tamil Nadu, India

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2012年 / 97卷

关键词：

Nonlinear optical materials; Crystal growth; X-ray diffraction; FT-IR; FT-Raman; Optical properties; BEHAVIOR; ACID;

D O I：

10.1016/j.saa.2012.07.039

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Good optical quality single crystal of guanidinium t-glutamate is grown by slow evaporation solution growth technique. The cell parameters and crystallinity are determined from the single crystal and powder X-ray diffraction analysis. The formation of synthesized compound was confirmed by FT-IR and FT-Raman spectroscopic analysis. Wide band gap of 4.98 eV with high transmittance up to 2000 nm is observed for the grown crystal in UV-Vis-NIR spectral analysis. The optical constants such as refractive index and extinction coefficient of the grown crystal are obtained as 2.1 and 8.64 x 10(-6) respectively. The nonlinear optical study reveals that the second harmonic generation efficiency of guanidinium L-glutamate is 2.8 times that of potassium dihydrogen phosphate (KDP). The mechanical stability of the grown crystal was analyzed by Vickers microhardness test and the results are discussed. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：741 / 745

页数：5

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