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  • Chem Sci Trans., 2014, 3(1),  pp 359-367  

    DOI:10.7598/cst2014.721

    Research Article

    Growth, Structural and Optical Studies on Pure and Doped Magnesium Sulphate Heptahydrate Single Crystals

  • P. SUMITHRAJ PREMKUMAR, S. DAWN DHARMA ROY and X. SAHAYA SHAJAN
  • Centre for Scientific & Applied Research, PSN College of Engineering and Technology, Melathediyoor, Tirunelveli - 627 152, Tamilnadu, India
    Department of Physics, Nesamony Memorial Christian College, Marthandum, Kanyakumari - 629 165, Tamilnadu, India
  • Abstract

    Single crystals of pure and doped (Cd2+, Hg2+ and histidine) magnesium sulphate heptahydrate (MgSO4.7H2O) crystals were grown by slow evaporation method. The entry of the dopants into the crystal lattice was confirmed by energy dispersive x-ray (EDX) analysis. The infrared spectra recorded for histidine doped magnesium sulphate crystals showed the presence of amino group in the grown crystal. The powder x-ray data was indexed and there was no significant lattice distortion was observed due to the addition of dopants. The thermograms recorded for the grown crystals showed that these crystals were thermally unstable and decompose through many stages. UV-Vis spectral studies showed that the crystals were transparent in the visible region.

    Keywords

    Magnesium sulphate heptahydrate, Crystal growth, Optical studies

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