L-Alanine Sodium Nitrate (ASN), NLO Material: Growth and Characterization

ABSTRACT Single crystal of alanine sodium nitrate (ASN), a nonlinear optical material has been grown from solution by slow evaporation method. The isoelectric point of the alanine is 6(1). So, the growth of crystals has been carried out at pH 6. The grown crystals have been subjected to powder X-ray diffraction studies to identify the crystalline nature. Single crystal X-ray diffractometer was utilized to measure the cell parameters and morphology of the grown crystals. The FTIR spectra taken for the crystals grown at pH values show the peak intensity. The mechanical properties of the grown crystals are studied using Vickers micro hardness measurement. Surface morphology was studied by SEM analysis. Using Nd-YAG laser the NLO property of the crystal is studied. The transmittance and absorption of the crystal was studied by UV-Visible spectrometer