Optical and dielectric studies on pure and Ni2+, Co2+ doped single crystals of bis thiourea cadmium chloride

R Uthrakumar, C Vesta, CJ Raj… - … of Experimental and …, 2008 - Wiley Online Library
R Uthrakumar, C Vesta, CJ Raj, S Dinakaran, RC Dhas, SJ Das
Crystal Research and Technology: Journal of Experimental and …, 2008•Wiley Online Library
Good quality single crystals of Ni2+, Co2+ ions doped Bisthiourea Cadmium Chloride
(BTCC) are some of the excellent and efficient non‐linear optical materials grown from
aqueous solution by slow evaporation method. The lattice parameters of the grown crystals
are determined by single crystal X‐ray analysis. UV spectral analyses on these samples
reveal the improved transparency of the doped crystals ascertaining the inclusion of metal
ion in the lattice. FTIR spectral analysis carried out on the materials confirm the presence of …
Abstract
Good quality single crystals of Ni2+, Co2+ ions doped Bisthiourea Cadmium Chloride (BTCC) are some of the excellent and efficient non‐linear optical materials grown from aqueous solution by slow evaporation method. The lattice parameters of the grown crystals are determined by single crystal X‐ray analysis. UV spectral analyses on these samples reveal the improved transparency of the doped crystals ascertaining the inclusion of metal ion in the lattice. FTIR spectral analysis carried out on the materials confirm the presence of functional groups. Dielectric measurements reveal that the dielectric constant of pure and doped crystals decreases with increase of frequency. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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