Synthesis, Optical, Mechanical and Thermal Studies on Novel Nonlinear Optical Bisthiourea Potassium Nitrate Crystal By Solution Growth Technique
Journal: International Journal of Scientific Engineering and Technology (IJSET) (Vol.2, No. 7)Publication Date: 2013-07-01
Authors : M. Radha Ramanan R. Radhakrishnan S. Krishnan V. Chithambaram;
Page : 710-712
Keywords : Keywords : FTIR; XRD; NIR; BTPN;
Abstract
Bisthiourea Potassium nitrate, a new semiorganic nonlinear optical crystal, has been grown by solution growth slow evaporation technique for the first time. The grown crystal were characterised by single XRD to conform lattice parameter. The presence of functional groups was confirmed by using fourier transform infrared (FTIR) analysis. Optical behaviour such as UV ? Vis ? NIR absorption spectrum was carried and the UV cut-off wavelength for the grown crystal is at 270 nm. Thermal analysis was carried out to determine the thermal stability and the melting point of the grown crystal using TG/DTA. The mechanical properties of the grown crystals have been studied using Vickers micro hardness tester for different loads. Second - Harmonic generation were investigated to explore nonlinear optical characteristics of the materials using Kurtz powder technique.
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Last modified: 2013-09-03 19:27:38