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Title: Effect of L-arginine, L-histidine and glycine on the growth of KDP single crystals and their characterization
Authors: Kumar, B Suresh
Babu, K Rajendra
Keywords: Potassium dihydrogen phosphate crystals (KDP);L-arginine;L-histidine;Glycine;Non linear optical crystals (KLO)
Issue Date: Feb-2008
Publisher: CSIR
Abstract: Optically good quality single crystals of pure and amino acid doped KDP have been grown by slow evaporation method at constant temperature (40°C). The effect of amino acid dopants on the growth and characterization of KDP crystals has been studied. The grown crystals are characterized by density, melting point determination and X-ray powder diffraction. The presence of functional groups of crystals are qualitatively analysed from FTIR spectra. Thermal properties like decomposition temperatures and weight loss have been reported from the TGA and DTA analysis. The transparency of the grown crystals has been confirmed using UV-Vis spectra. It has been found that SHG efficiency of KDP, containing amino acids is higher than pure KDP crystals. Dielectric behaviour of pure and doped samples has been studied at a temperature range 30 - 180ºC and a constant frequency 1 kHz.
Page(s): 123-126
ISSN: 0019-5596
Appears in Collections:IJPAP Vol.46(02) [February 2008]

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