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Abstract
Optical good quality defect free single crystals of Potassium L-alaninate (PLAla), was grown by slow evaporation technique at room temperature. The physico-chemical properties of the as grown crystals were analysed from single crystal XRD, thermal, spectral, and DC conductivity studies. From  XRD analysis, it is assured that Potassium L-alaninate (PLAla),  crystal belongs to orthorhombic system. Thermal studies shows their endothermic response to heat. The melting point, average weight loss and possibility of phase transition and decomposition of the material were determined by TG-DTA analyses. The FTIR analysis confirms the functional groups present in the crystal. UV-Visible transmittance spectra was recorded to identify the transparency in visible and near infrared (NIR) region. The UV spectral studies show the good transparency of the crystals . The dielectric and AC conductivity studies were analysed as a function of resistance for various temperatures. The result reveals that the crystal of Potassium L-alaninate (PLAla) shows good AC electrical characteristics.
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How to Cite
Venus .S, A., Ameen S.H, M., Jenila. R, M., P, A., & Devarajan, P. (2014). Growth and Characterization Studies of Potassium L-Alaninate NLO Single Crystal. International Journal of Emerging Trends in Science and Technology, 1(10). Retrieved from https://igmpublication.org/ijetst.in/index.php/ijetst/article/view/426
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[2] Shirsat, M. D.; Hussaini, S. S.; Dhumane, N. R.; Dongre, V. G. Influence of lithium ions on the NLO properties of KDP single crystals. Crystal Research Technology 2008. 43 (7), 756-761.
[3] Hussaini, S. S.; Dhumane, N. R.; Dongre, V. G. Karmuse, P. Ghughare, P.; Shirsat, M. D. Effect of glycine on the optical properties of Zinc Thiourea chloride (ZTC) single crystal, Journal of Optelectronics and Advanced Materials - Rapid Communication 2008, 2, 108.
[4] Meera, K.; Muralidharan, R.; Dhanasekaran, R.; Manyum Prapun,; Ramasamy, P. Growth of nonlinear optical material: L-arginine hydrochloride and its characterisation. Journal of Crystal Growth 2004, 263, 510-516.
[5] Misoguti, L et al. Optical properties of L-alanine organic crystals. Optical Materials (1996), 6, 147-152.
[6] Jaikumar, D.; Kalainathan, S.; Bhagavanarayana, G. Syanthesis, growth, thermal, optical and mechanical properties of new organic NLO crystal: L-alanine DL-malic acid. Journal of Crystal Growth 2009, 312, 120-124.
[7] Lydia Caroline, M.; Vasudevan, S. Growth and characterization of an organic nonlinear optical material: L-alanine alaninium nitrate. Materials Letters 2007.
[8] Ramachandra Raja, C.; Antony Joseph, A. Crystal growth and characterization of new nonlinear optical single crystals of L-alaninium fumarate. Materials Letters 2009, 63, 2507-2509.
[9] Mohan Kumar, R. et al. Studies of growth aspects of semi-organic L-alanine acetate: a promising NLO crystal. Journal of Crystal Growth 2005, 275, 1935-1939.
[10] Justin Raj, C. et al. Studies on optical, mechanical and transport properties of NLO active L-alanine formate single crystal grown by modified Sankaranarayanan-Ramasamy (SR) method. Optics Communications 2008, 281, 2285-2290.
[11] Krishnakumar, V.; Nagalakshmi, R. Polarised Raman and infrared spectral analysis of L-alanine oxalate- a non-linear optical single crystal. Spectrochemica Acta Part A 2006, 64,736-743.
[12] Jaikumar, D. et al. Structural, spectral, thermal, dielectric, mechanical and optical properties of Urea L-alanine acetate single crystals, Physica B 2010,405, 2394-2400.
[13] Rajan Babu, D. et al. Growth and characterization of non-linear optical L-alanine tetrafluoroborate single crystals, Journal of Crystal Growth 2002, 245, 121-125 .
[14] Ashour, A.; El-Kadry, N.; Mahmoud, S.A. On the electrical and optical properties of CdS films thermally deposited by a modified source, Thin Solid Films 1995, 269, 117–120
[15] Anderson, Dielectrics, J. C. Chapman and Hall, London, 1964
[16] Senthil Murugan, G.; Ramasamy, P. Growth and characterization of metal-organic crystal: Tetra thiourea cobalt chloride (TTCoC), Journal of Crystal Growth 2009, 311 (3), 585-588.
[17] Ambujam, K.; Thomas, P. C.; Aruna, S.; Prem Anand, D.; Sagayaraj, P. Growth and Characterization of dichloro tetrakis thiourea nickel single crystals. Crystal Research Technology 2006, 41, 1082-1088.
[18] Rao, K.V.; Smakula, A. Dielectric Properties of Cobalt Oxide, Nickel Oxide and Their Mixed Crystals. Journal of Applied Physics 1965, 36 (6) 2031-2038.
[19] Rao, K.V.; Smakula, A. Dielectric Properties of Alkaline Earth Fluoride Single Crystals. Journal of Applied Physics 1966, 37(1), 319-323.
[20] Smyth, C.P. Dielectric behavior and structure. McGraw-Hill, New York 1955.
[21] Austin, I.G.; Mott, N.F. Polarons in crystalline and non-crystalline materials. Advanced Physics 1969, 18, 41-102
[22] Krishnan, C.; Selvarajan, P.; Pari, S. Synthesis, growth and studies of undoped and sodium chloride –doped Xinc Tris-thiourea Sulphate (ZTS) single crystals. Current Applied Physics 2010, 10, 664.
[23] Kurtz, S.K.; Perry, T.T. A Powder technique for the Evaluation of Nonlinear Optical Materials. Journal of Applied Physics 1968, 39, 3798- 3813.