Investigation of non linear optical tyrosine cadmium chloride single crystals grown by solution growth technique

Abstract

A Novel semi-organic nonlinear optical single crystal of tyrosine cadmium chloride (TCC) has been grown by slow evaporation solution growth technique. The lattice parameters and crystal system were determined from the single crystal X-ray diffraction. The crystalline nature of the grown crystal TCC is confirmed by using powder X-ray diffraction technique. Fourier Transform Infrared (FTIR) confirms the various functional groups present in the grown crystal. The optical absorbance of electromagnetic radiation was studied through UV–Vis spectrum. The thermal behavior of the grown crystal has been investigated by DTA and TGA analysis. The dielectric constant and dielectric loss have been studied as a function of frequency for various temperatures and the result was discussed in detail. The frequency dependence of ac conductivity for different temperatures was studied. The photoconductivity studies confirm that the TCC crystal has negative photo conducting nature. The mechanical properties of the grown crystals have been studied using Vickers micro hardness. Surface morphology of TCC was studied using Scanning Electron Microscope. Nonlinear optical characteristics of TCC have been studied using Q-switched Nd:YAG laser. The second harmonic generation conversion efficiency of TCC is 5.14 times more than that of KDP and it is the highest value in the amino acid family so far reported.