Synthesis and Investigation on growth and physiochemical properties of semi-organic nonlinear optical crystal: L-Glutamic Acid Zinc Chloride

Publication date: Available online 16 January 2017 Source:Journal of Taibah University for Science Author(s): S. Chennakrishnan, S.M. Ravikumar, C. Shanthi, R. Srineevasan, T. Kubendiran, D. Sivavishnu, M. Packiyaraj The aim of this work is to synthesis, investigate the growth and physiochemical properties of nonlinear optical semi-organic crystal L-glutamic acid zinc chloride (LGAZC). Optically transparent and defect less crystal was grown by slow evaporation solution growth technique under optimized conditions. The induction periods were measured at various supersaturations and hence the interfacial energies were evaluated. Single crystal X-ray diffraction study reveals that the crystal is orthorhombic structure with space group P212121 and the calculated lattice parameters are a=5.20Å, b=6.99Å, c=17.58Å, α=β=γ=90° and Volume=623.411Å3. Spectroscopic properties were used to investigate by recording the Fourier transform infrared and optical transmission spectra. The thermal decomposition of grown crystal was investigated by Thermo Gravimetric and Differential Thermal Analysis (TG/DTA). LGAZC crystal exhibits second harmonic generation (SHG) efficiency 1.5 times than that of inorganic KDP crystal. The presence of the metal ion (Zn+) in a grown crystal was identified by EDAX spectrum analysis. The photoconductivity study shows that LGAZC crystal has positive Photo conducting nature. The dielectric response of the LGAZC crystal was investigated and reported.

Source: Journal of Taibah University for Science - January 15, 2017 Category: Science Source Type: research