Nucleation kinetics and growth aspects of organic nonlinear optical L-arginine trifluoroacetate single crystals by S. Arjunan, R. Mohan Kumar, R. Mohan, and R. Jayavel

Crystal Research and Technology

Cryst. Res. Technol. 43, 417 (2008) - Abstract -

Nucleation kinetics and growth aspects of organic nonlinear optical L-arginine trifluoroacetate single crystals

S. Arjunan, R. Mohan Kumar*, R. Mohan, and R. Jayavel*

Department of Physics, Presidency College, Chennai-600 005, India
*Crystal Growth Centre, Anna University, Chennai-600 025, India

Keywords	solubility, metastable zonewidth, interfacial energy, growth from solution
PACS	42.70.Mp, 68.03.Cd, 81.10.-h, 81.70.Pg
DOI	10.1002/crat.200711036

Experimental determination of solubility, metastable zonewidth and induction period for an organic nonlinear optical (NLO) L-arginine trifluoroacetate (LATF) crystal is reported. The interfacial tension for different supersaturation conditions has been estimated for the LATF solution at 45°C. Bulk crystal of dimensions 57x5x3 mm³ has been grown by temperature lowering technique using optimized growth parameters. Powder X-ray diffraction and FTIR studies confirm the crystalline nature and the functional groups of the grown crystals respectively. Linear optical property of the grown crystal has been studied by UV-Vis spectrum. Thermal analyses have revealed that the compound is thermally stable upto 212°C. Kurtz powder SHG test confirm the nonlinear optical properties of the as-grown LATF crystal.

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