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Effect of silver nitrate (AgNO3) on the optical, thermal and mechanical properties of γ-glycine single crystal

C. SEKAR1,* , R. PARIMALADEVI1

Affiliation

  1. Department of Physics, Periyar University, Salem – 636 011, Tamilnadu, India

Abstract

Single crystal of AgNO3 doped γ-glycine, a nonlinear optical (NLO) material have been grown by slow evaporation method. The phase purity and crystal structure of the grown crystals have been confirmed by powder X-ray diffraction studies. Thermal analysis was carried out to study the effect of AgNO3 doping on thermal stability of γ-glycine crystal. Functional groups of the grown crystal were identified through FTIR and FT-Raman spectroscopy. The optical transparency and lower cut off value of UV transmission were ascertained by recorded UV- Visible spectrum of γ-glycine crystals. The existence of second harmonic generation (SHG) of the grown crystal was confirmed by Kurtz-powder technique and the efficiency of frequency doubling was found to be 1.4 times than that of KDP. Mechanical property of the grown AgNO3 doped γ-glycine crystal was studied by Vickers microhardness tester..

Keywords

Nonlinear optical materials, γ-glycine, Growth from solution, Vibrational spectroscopy, Thermal properties.

Submitted at: March 14, 2009
Accepted at: April 28, 2009

Citation

C. SEKAR, R. PARIMALADEVI, Effect of silver nitrate (AgNO3) on the optical, thermal and mechanical properties of γ-glycine single crystal, Journal of Optoelectronics and Advanced Materials Vol. 11, Iss. 4, pp. 473-478 (2009)