Effects of Manganese (Ii) Sulphate on Structural, Spectral, Optical, Thermal and Mechanical Properties of L-Alanine Sodium Sulphate Single Crystals

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F. Praveena, S.L. Rayar (2017). Effects of Manganese (Ii) Sulphate on Structural, Spectral, Optical, Thermal and Mechanical Properties of L-Alanine Sodium Sulphate Single Crystals. Mechanics, Materials Science & Engineering, Vol 10. doi:10.2412/mmse.56.71.446

Authors: F. Praveena, S.L. Rayar

ABSTRACT. New Non-linear Optical materials have been attracting in the research world for their potential applications in emerging opto-electronic technology. The dipolar nature of amino acid leads to peculiar physical and chemical properties, thus making a good candidate for NLO applications. Single crystals of manganese(II) sulphate doped L-Alanine sodium sulphate(LASS) has been synthesized by slow evaporation technique. Structural property of the grown crystals are characterized by X-ray powder diffraction,FT-IR spectral analysis conforms all the functional groups. Thermogravity (TG) and differential themogravimetric (DTA) analysis have been performed to study the thermal stability of the crystals. The second harmonic generation efficiency was measured by Kurtz-Perry powder technique. The transmission and absorption of electromagnetic radiation is analysed through UV-VIS spectrum. Microhardness was measured at different applied load to understand the mechanical stability of the crystal.

Keywords: LASS, FT-IR, TG-DTA, sodium sulphate single crystals

DOI 10.2412/mmse.56.71.446

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