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BULK CRYSTAL GROWTH AND CHARACTERIZATION OF SEMIORGANIC NONLINEAR OPTICAL MATERIALS

M. D. Aggarwal1,* , J. Stephens1, A. K. Batra1, R. B. Lal1

Affiliation

  1. Department of Physics, P. O. Box 428, Alabama A&M University, Normal, Alabama-35762, USA

Abstract

High quality bulk single crystals of novel NLO semiorganics : L-arginine tetrafluoroborate (L-AFB) and L-histidine tetrafluoroborate (L-HFB) measuring 78 × 50 × 35 mm3 have been successfully grown from solution by temperature lowering methods. Solubility curves of these materials have been determined in different solvents, such as water, ethanol and acetone to determine the most suitable solvent. The results of the various studies on synthesis, solvents, solubility, crystal growth, effects of seed orientation on morphologies, second-harmonic generation (SHG), transparency range, differential scanning calorimetry are presented. The published results of crystal growth of other analogues of LAP crystals are also presented..

Keywords

Crystal growth, Semiorganic crystal, Nonlinear optical material, L-histidine tetrafluoroborate, L-arginine tetrafluoroborate.

Submitted at: July 11, 2003
Accepted at: July 31, 2003

Citation

M. D. Aggarwal, J. Stephens, A. K. Batra, R. B. Lal, BULK CRYSTAL GROWTH AND CHARACTERIZATION OF SEMIORGANIC NONLINEAR OPTICAL MATERIALS, Journal of Optoelectronics and Advanced Materials Vol. 5, Iss. 3, pp. 555-562 (2003)