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Synthesis, Crystal Growth, Optical, Thermal and Mechanical Properties of Organic Nonlinear Optical Material: Bis (Glycinium) Oxalate Single Crystal

T. Uma Devi¹*, N. Lawrence², R. Ramesh Babu³, K. Ramamurthi³ and G. Bhagavannarayana⁴

¹Department of Physics, Cauvery College for Women, Tiruchirappalli - 620 018 (India).

²Department of Physics, St.Joseph?s College (Autonomous), Tiruchirappalli - 620 002 (India).

³Crystal Growth and Thin Film Laboratory, School of Physics, Bharathidasan University, Tiruchirappalli - 620 024 (India).

⁴Materials Characterization Division, National Physical Laboratory, Dr. K. S. Krishnan Marg, New Delhi-110 012 (India).

DOI : http://dx.doi.org/10.13005/msri/050219

Article Publishing History
Article Received on : 10 Jul 2008
Article Accepted on : 19 Aug 2008
Article Published :
Plagiarism Check: Yes

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ABSTRACT:

Bis (glycinium) oxalate, an organic nonlinear optical material, has been synthesized and single crystals, with dimensions up to22x6x5 mm3, have been grown from aqueous solution. The crystal belongs to the centro symmetric space group P21/c. The structural perfection of the grown crystals has been analysed by high-resolution X-ray diffraction (HRXRD) rocking curve measurements. Fourier transform infrared (FTIR) spectroscopic studies were also performed for the identification of different modes present in the compound. The UV–vis transmission spectrum has been recorded in the range 200–1000 nm. Thermal behaviour was studied by TG and DTA. The Vicker?s microhardness values were measured for the grown crystal.

KEYWORDS: Organic compounds; single crystal growth; solution technique; characterization

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Devi T. U, Lawrence N, Ramesh Babu R. R, Ramamurthi K and Bhagavannarayana G. Synthesis, Crystal Growth, Optical, Thermal and Mechanical Properties of Organic Nonlinear Optical Material: Bis (Glycinium) Oxalate Single Crystal. Mat.Sci.Res.India;5(2)

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