Growth, optical and thermal characterization of bis(thiourea)zinc chloride single crystals

被引：20

作者：

Moitra, Sweta ^{[1
]}

Kar, Tanusree ^{[1
]}

机构：

[1] Indian Assoc Cultivat Sci, Dept Mat Sci, Kolkata 700032, India

来源：

OPTICAL MATERIALS | 2008年 / 30卷 / 10期

关键词：

optical materials; crystal growth; differential thermal analysis (DTA); dielectric study; optical properties;

D O I：

10.1016/j.optmat.2007.11.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Single crystals of nonlinear optical material bis(thiourea)zine chloride (BTZC) were successfully grown by the temperature lowering method and also by the slow evaporation method at constant temperature 28.5 degrees C from its aqueous solutions having various pH values. The best quality crystal was obtained at pH value of 3.13. Studies on structural, thermal properties of the crystals have been carried out on the basis of X-ray diffraction (XRD), infrared spectroscopy (IR), differential thermal analysis (DTA) and thermogravernetric analysis (TGA). DTA study indicates the possibility of structural changes without weight loss. The values of specific heat calculated from DSC data indirectly demonstrate the high damage threshold of BTZC crystal. The crystals possess wide optical transmission window between 290 nm and 2000 nm. Kurtz powder SHG measurement confirms the nonlinear optical property of the grown crystals. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：1621 / 1624

页数：4

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