Dielectric studies of metal complexes of thiourea crystals for electro-optic modulation by N. R. Dhumane, S. S. Hussaini, V. V. Nawarkhele, and M. D. Shirsat

Crystal Research and Technology

Cryst. Res. Technol. 41, 897 (2006) - Abstract -

Dielectric studies of metal complexes of thiourea crystals for electro-optic modulation

N. R. Dhumane, S. S. Hussaini, V. V. Nawarkhele, and M. D. Shirsat

Dept. of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad - 431004, Maharashtra, India

Keywords	crystal growth, semi organic NLO material, dielectric constant, transmission line waveguide method
PACS	42.70.Mp, 78.20.Ci, 74.25.Gz
DOI	10.1002/crat.200510691

In the present study three crystals of thiourea family viz. Zinc Thiourea Chloride (ZTC), Zinc Thiourea Sulfate (ZTS) and Bisthiourea Cadmium Chloride (BTCC) were grown from aqueous solution by slow evaporation technique. The grown crystals were studied by powder XRD, FT-IR and UV-visible. The dielectric study of grown crystals was carried out in X-band using transmission line wave guide method. It was found that the BTCC has lowest dielectric constant among three metal complexes of thiourea crystals (ZTC, ZTS and BTCC), therefore it can be used for high speed electro-optic modulation.

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