Crystal growth and defects characterization of zinc tris (thiourea) sulfate: a novel metalorganic nonlinear optical crystal

Single crystals of the metalorganic nonlinear optical material zinc tris (thiourea) sulfate (ZTS) were grown from aqueous solution. The morphology of the crystals was indexed. The grown crystals were characterized by recording the powder X-ray diffraction pattern and by identifying the diffracting p...

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Bibliographic Details
Published in:Journal of crystal growth 1995-09, Vol.154 (1), p.92-97
Main Authors: Venkataramanan, V., Dhanaraj, G., Wadhawan, V.K., Sherwood, J.N., Bhat, H.L.
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Growth from solutions
Materials science
Methods of crystal growth
physics of crystal growth
Physics
Theory and models of crystal growth
physics of crystal growth, crystal morphology and orientation
Theory of crystal structure, crystal symmetry
calculations and modeling
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Summary:Single crystals of the metalorganic nonlinear optical material zinc tris (thiourea) sulfate (ZTS) were grown from aqueous solution. The morphology of the crystals was indexed. The grown crystals were characterized by recording the powder X-ray diffraction pattern and by identifying the diffracting planes. Spectrophotometric studies on ZTS reveal that it has good transparency for the Nd: YAG laser fundamental wavelength. Differential thermal analysis of ZTS indicates that the material does not sublime before melting but decomposes immediately after melting. The defect content of the crystals was estimated using etching and X-ray topography. The mechanical hardness anisotropy was evaluated in the (100) plane, which indicates the presence of soft directions.
ISSN:0022-0248
1873-5002
DOI:10.1016/0022-0248(95)00212-X