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- Title
Single crystal growth and properties of semiorganic nonlinear optical Larginine hydrochloride monohydrate crystals.
- Authors
D. Kalaiselvi; R. Mohan Kumar
- Abstract
Larginine hydrochloride monohydrate LAHCl.H2O has been synthesized and single crystals have been grown from its aqueous solution by slow evaporation and slow cooling methods. The solubility of the material was measured at various temperatures and bulk crystals of size 26×13×11 mm3have been grown by optimizing the growth parameters. The grown crystals have been subjected to single crystal XRD studies to confirm the structure and to estimate the lattice parameters. FTIR analysis indicate the mode of vibrations of different molecular groups present in LAHCl and confirm the protonation of guanidyl, amino groups and deprotonation of COOgroups. UVVis transmission spectrum revealed the linear optical properties of the grown crystals with a transparency of 65 over the entire visible range upto 300 nm. Thermal behavior of the grown crystal was investigated from DTA and TGA measurements. Dielectric studies have been carried out on the grown crystals. Kurtz and Perry powder SHG technique confirms the NLO property of the grown crystal. The SHG efficiency of LAHCl was found to be 0.38 with respect to KDP. © 2008 WILEYVCH Verlag GmbH & Co. KGaA, Weinheim
- Subjects
CRYSTALLOGRAPHY; PHYSICAL sciences; MINERALOGY; ANISOTROPY; ASTERISM (Crystallography)
- Publication
Crystal Research & Technology, 2008, Vol 43, Issue 8, p851
- ISSN
0232-1300
- Publication type
Article
- DOI
10.1002/crat.200711133