GROWTH AND CHARACTERIZATION OF PURE AND CLOVE DOPED KDP CRYSTALS BY SLOW EVAPORATION METHOD.

Optically good quality pure and clove doped KDP crystals have been grown by slow evaporation method at constant temperature and their characterization has been studied. Slow evaporation method is very simple method and be utilized to synthesize crystals which are having low solubility if the optimum condition obtained properly. The presence of functional groups of crystals is qualitatively analyzed from FTIR spectra. X-ray diffraction study has been carried out in order to see the effect of dopants on the structural parameters of KDP. The powdered X-ray diffraction analysis revealed the tetragonal structure of KDP and doped crystals. Single crystal X-ray diffraction revealed the lattice parameter values. The grown clove doped KDP crystals were characterized by UV-Visble spectroscopy. The Stability and decomposition of pure and clove doped KDP Crystals are determined by TG/DTA Analysis. The second harmonic generation (SHG) was measured by using ND-YAG laser. The relative second harmonic generation (SHG) efficiency of clove doped KDP crystals was higher than the pure KDP crystals. SEM study was performed to indicate the influence of dopants on surface morphology of KDP crystals. EDAX study was used to know the idea about the elements present in the crystals.