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Growth and characterization of glycine doped KDP single crystal for optoelectronics applications

S. S. HUSSAINI1, N. R. DHUMANE1, V. G. DONGRE2, P. GHUGHARE2, M. D. SHIRSAT1,*

Affiliation

  1. Optoelectronics and Sensor Research Laboratory, Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad -431 004(MS) India
  2. Department of Chemistry, Mumbai University, Mumbai-400 098(MS) India

Abstract

Potassium dihydrogen phosphate (KDP) is a well known nonlinear optical (NLO) material for various optoelectronics applications. Since amino acids exhibits NLO property, it is of interest to dope them in KDP. In present study single crystal of pure and amino acid, Glycine doped Potassium dihydrogen phosphate (KDP) has been grown by slow evaporation solution growth technique. The SHG efficiency of pure and Glycine doped KDP crystal was confirmed by Nd:YAG pulsed Laser employing the Kurtz powder technique. The SHG efficiency of Glycine doped KDP crystal was found to be 1.36 times more than pure KDP. The crystallinity and cell parameters were characterized by X-ray diffraction analysis, the shifting in frequency assignment of different functional groups of KDP due to addition of Glycine were analyzed by FTIR analysis. The enhancement in transmittance of grown KDP crystal with addition of Glycine was determined by UV-Visible spectral analysis. The presence of dopant in the sample of grown crystal was confirmed by energy dispersive X-ray analysis (EDAX). The grown crystal was subjected to thermogravimetric analysis (TGA) and Differential Scanning Calorimetry (DSC) analysis to observe the thermal decomposition and weight loss.

Keywords

Crystal growth, Nonlinear optical materials, Glycine, SHG efficiency.

Citation

S. S. HUSSAINI, N. R. DHUMANE, V. G. DONGRE, P. GHUGHARE, M. D. SHIRSAT, Growth and characterization of glycine doped KDP single crystal for optoelectronics applications, Optoelectronics and Advanced Materials - Rapid Communications, 1, 12, December 2007, pp.707-711 (2007).

Submitted at: Oct. 27, 2007

Accepted at: Nov. 27, 2007