Influence of transition metal doping on tris(thiourea)zinc(II) sulphate crystals

被引：9
|
作者：
Rajasekar, M. [1 ]
Muthu, K. [1 ]
Meenatchi, V. [1 ]
Mahadevan, C. K. [2 ]
Meenakshisundaram, S. P. [1 ]
机构：
[1] Annamalai Univ, Dept Chem, Annamalainagar 608002, India
[2] ST Hindu Coll, Phys Res Ctr, Nagercoil, India
来源：
OPTIK | 2014年 / 125卷 / 02期
关键词：
Crystal growth; Ni(II)-doping; Optical properties; Dielectric properties; Nonlinear optics; TRIS-THIOUREA SULFATE; ZTS SINGLE-CRYSTALS; OPTICAL-PROPERTIES; ER3+-GLASS LASERS; ORGANIC DOPANTS; Q-SWITCH; GROWTH; ENHANCEMENT; PERFECTION; PURE;
D O I：
10.1016/j.ijleo.2013.07.084
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical, thermal and dielectric properties of Ni(II)-doped tris(thiourea)zinc(II) sulphate single crystals grown by slow evaporation solution growth technique has been investigated. The lattice parameters of the as-grown crystals were obtained by single crystal X-ray diffraction analysis. The modes of vibrations of different functional groups present were identified by FT-IR studies. The surface morphological changes are observed in the doped specimen. The structure and the crystallinity of the material were confirmed by powder X-ray diffraction analysis. The UV-vis optical absorption spectrum shows the lower optical cutoff at similar to 284 nm and the crystals are transparent in the entire visible region. The relative second harmonic generation efficiency measurements reveal the enhancement of efficiency by doping with small quantities of Ni(II). Crown Copyright (C) 2013 Published by Elsevier GmbH. All rights reserved.
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页码：710 / 713
页数：4
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