Growth and characterization of L-histidine hydrochloride monohydrate single crystals by J. Madhavan, S. Aruna, P. C. Thomas, M. Vimalan, S. A. Rajasekar, and P. Sagayaraj

Crystal Research and Technology

Cryst. Res. Technol. 42, 59 (2007) - Abstract -

Growth and characterization of L-histidine hydrochloride monohydrate single crystals

J. Madhavan, S. Aruna, P. C. Thomas, M. Vimalan, S. A. Rajasekar*, and P. Sagayaraj

Department of Physics, Loyola College, Chennai – 600 034, India
*Department of Physics, Vellore Institue of Technology, Vellore, India

Keywords	NLO, solution growth, LHC, thermal analysis
PACS	78.40.-q, 65.40.-b, 62.20.x, 77.22.-d, 72.40.+w
DOI	10.1002/crat.200610771

Good optical quality single crystal of L-histidine hydrochloride monohydrate (LHC) a novel semi organic NLO material was grown by slow solvent evaporation technique. The crystal was characterized by X-ray diffractometry (XRD), Fourier Transform Infra-red (FTIR), UV-Vis-NIR, TGA, DTA, microhardness and solubility studies. The SHG efficiency is found to be higher than that of KDP crystal. The dielectric constant and dielectric loss of the crystal was studied as function of frequency and the results are discussed. Photoconductivity studies were also carried out which reveals the positive photoconducting properties of the sample.

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