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JMMCE> Vol.3 No.3, May 2015
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Optical, Thermal and Nonlinear Properties of Tristhiourea Lanthanum Nitrate

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DOI: 10.4236/jmmce.2015.33014    3,871 Downloads   4,294 Views  
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V. S. Kumar1, R. S. Sundararajan2


1Department of Physics, Swami Dayananda College of Arts and Science, Manjakkudi, Tamilnadu, India.
2Department of Physics, Government Arts College (Autonomous), Kumbakonam, Tamilnadu, India.


The single crystals of tristhiourea lanthanum nitrate (TTLaN) have been grown by solution growth using slow evaporation technique. The optical study revealed that the crystal has high transmission with lower cut-off wavelength of 235.78 nm. The EDAX analysis confirmed the grown compound elements. The presence of functional groups was identified through Fourier transform-infrared technique. The thermal stability of the crystal was determined from thermo gravimetric and differential thermal analysis curve. The second harmonic generation behavior of TTLaN crystal was tested by Kurtz-Perry powder technique. This single novel semiorganic crystal of TTLaN showed very good optical transmission property, high thermal stability and large non-linearity nature.


Nonlinear Optical, Tristhiourea Lanthanum Nitrate, Second Harmonic Generation, Thermo Gravimetric Analysis, Differential Thermal Analysis

Cite this paper

Kumar, V. and Sundararajan, R. (2015) Optical, Thermal and Nonlinear Properties of Tristhiourea Lanthanum Nitrate. Journal of Minerals and Materials Characterization and Engineering, 3, 118-124. doi: 10.4236/jmmce.2015.33014.

Conflicts of Interest

The authors declare no conflicts of interest.


[1] Jonie Varjula, A., Vesta, C., Justin Raj, C., Dinakaran, S., Ramanand, A. and Jerome Das, S. (2007) Growth and Characterization of a New Semi-Organic Nonlinear Optical Sodium Paranitrophenolate Paranitrophenol Dehydrate Single Crystal. Materials Letters, 61, 5053-5055.
[2] Rajesh, N.P., Kannan, V., Ashok, M., Sivaji, K., Santhana Raghavan, P. and Ramaswamy, P. (2004) A New Nonlinear Optical Semi-Organic Material: Cadmium Thiourea Acetate. Journal of Crystal Growth, 262, 561-566. http://dx.doi.org/10.1016/j.jcrysgro.2003.10.064
[3] Sundararajan, R.S., Senthilkumar, M. and Ramchandraraja, C. (2013) Growth and Characterization of Bisthiourea Nickel Bromide—New Semiorganic Nonlinear Optical Crystal. Journal of Crystallization Process and Technology, 3, 56-59.
[4] Mott, B.W. (1956) Micro-Indentation Hardness Testing. Butterworths, London, 206.
[5] Kurtz, S.K. and Perry, T.T. (1968) A Powder Technique for the Evaluation of Nonlinear Optical Materials. Journal of Applied Physics, 39, 3798-3813.

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