Abstract
The 0.5mol l-cystine and 2mol oxalic acid doped in potassium dihydrogen phosphate crystals have been developed by slow evaporation method at room temperature. The structural properties of the grown crystal were analyzed by powder X-ray diffraction technique. The functional groups of grown crystals were successfully identified using FTIR spectral analysis. The optical transparency of the grown crystals is examined in the range of 200-900 nm using UV-visible studies. The optical transmittance is found to be 87 % of the grown crystal. The energy band gap (Eg) of the grown crystal was calculated at 3 eV. The Kurtz- Perry test has been employed to determine the SHG efficiency and the SHG efficiency of the grown crystal was 0.5 % of pure KDP crystal tested by Kurtz-Perry powder technique.
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