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Growth and Characterization of Guanidinium Trifluoroacetate – Second Harmonic Generation from a Centrosymmetric Crystal
Department of Physics, SRM University, Ramapuram, Chennai-600 089, India
Postgraduate & Research Department of Physics, Pachaiyappa’s College,Chennai – 600 030, India
Centre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai 600 025, India
Centre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai 600 025, India
Postgraduate & Research Department of Physics, Pachaiyappa’s College,Chennai – 600 030, India
- 1 Department of Physics, SRM University, Ramapuram, Chennai-600 089, India
- 2 Postgraduate & Research Department of Physics, Pachaiyappa’s College,Chennai – 600 030, India
- 3 Centre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai 600 025, India
- 4 Centre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai 600 025, India
- 5 Postgraduate & Research Department of Physics, Pachaiyappa’s College,Chennai – 600 030, India
Journal of Minerals and Materials Characterization and Engineering·Volume 10 (2011)·Pages 843–853·Published 20 July 2011·DOI10.4236/jmmce.2011.109065
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Abstract
Guanidinium trifluoroacetate (GTFA), a semi-organic non-linear optical material with molecular formula C 3 H 6 F 3 N 3 O 2 , has been synthesized at ambient temperature. Second harmonic generation (SHG) efficiency has been observed in this crystal though it crystallizes in centrosymmetric space group. Bulk single crystal of GTFA with a size of 22 x 7 x 2mm 3 is successfully grown by submerged seed solution method. The grown crystals of GTFA have been subjected to various characterization studies such as X-ray diffraction, CHNS, FTIR analysis, UV-Vis spectrum, TGA/DTA, powder SHG test, laser damage threshold and microhardness studies.
KeywordsGrowth from solutionsX-ray diffractionUltraviolet spectraNonlinear optical crystalsTGA/DTA
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