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  • Title: Studies on growth and spectral characterization of diglycine fumarate monohydrate single crystals.
    Author: Antony Joseph A, Ramachandra Raja C.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2012 Nov; 97():1120-4. PubMed ID: 22935641.
    Abstract:
    Single crystals of organic optical material, diglycine fumarate monohydrate (DGFM) has been synthesized and grown from solution by slow evaporation solution growth method. Purity of synthesized materials was increased by continuous recrystallization. The lattice parameters of the grown crystals are observed by X-ray diffraction method and the crystal system of grown crystal is identified as monoclinic. The optical transparency range has been investigated by UV-Vis-NIR spectroscopy method in the range between 190 and 1,100 nm. The presence of different modes of vibrations is analyzed using FT-IR technique. The carbon and hydrogen atmosphere in molecular structure of DGFM is investigated using FT-NMR method. The thermogravimetrrc analysis (TGA), differential thermal analysis (DTA) and differential scanning calorimetry (DSC) analysis shows that the grown crystal has very good thermal stability up to 263°C. The Kurtz-Perry powder SHG test has done for grown crystals.
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