Abstract
Single crystal of l-asparagine cadmium bromide (LACB), a semiorganic nonlinear optical material was grown by solution growth method at the room temperature. The grown crystals were characterized by single crystal and powder X-ray diffraction analysis and it was found to be the structure of the crystal was belongs to orthorhombic system. The UV–vis–NIR spectroscopic study revealed that the crystal has good optical transparency and lower cut off wavelength was found to be 230nm. The presence of functional group was identified by Fourier transform infrared (FTIR) analysis. The chemical composition was confirmed by elemental analysis. The mechanical strength was studied and found to be 100g by using Vicker's micro hardness tester. The thermal stability was found to be 218°C by using TGA and DTA analysis. The second harmonic generation efficiency was carried out by using Kurtz–Perry powder technique and it was found to be 3.4 times higher than KDP crystal.
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