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2011

Growth and characterization of MPHB nonlinear optical single crystal

Author:J. Felicita Vimala, M.Lawrence and J.Thomas Joseph Prakash

Abstract:
Single crystals of methyl para hydroxyl benzoate a nonlinear optical (NLO) material were grown by slow solvent evaporation technique at room temperature. Acetone was used as solvent. The MPHB crystals obtained by the above technique were subjected to different characterization analysis. Unit cell parameters were evaluated by single crystal X-ray diffraction technique. The lattice dimensions were determined from the powder x-ray diffraction analysis.The functional groups and optical behaviour of the crystals were identified from FTIR and UV-vis analysis. Micro hardness, thermal and etching studies were also carried out on the sample respectively. The SHG efficiency of the grown crystal was measured through NLO studies.