International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

Downloads: 123 | Views: 157

Research Paper | Optics & Laser Technology | India | Volume 8 Issue 3, March 2019

Synthesis, Growth and Characterisation of Nonlinear Optical Nb-doped L-Valinium Picrate Single Crystals

T Gurumurthi | Mesfin Asfaw Afrassa | P Murugakoothan

Abstract: A nonlinear optical material Niobium doped L-Valinium Picrate was synthesized and grown as single crystals by slow evaporation method. The grown crystals were subjected to structural, elemental, thermal, optical and dielectric studies. The structural analysis reveals that Nb: LVP belongs to the monoclinic crystallographic system with space group P21. Optical transparency of the grown crystals was investigated by UV-vis-NIR spectrum. The thermal analyses reveal that Nb doped L-Valinium Picrate is thermally stable up to 185 C. The dielectric constant and dielectric loss of the crystal were studied as a function of frequency. The nonlinear optical property of the grown crystal was confirmed by the Kurtz-powder second harmonic generation test and the results are compared with pure LVP. Mechanical strength of the crystal was also carried out by Vickers micro hardness test.

Keywords: Growth from solution, X-ray diffraction, Semi organic compound, Nonlinear optical crystal, Micro hardness

Edition: Volume 8 Issue 3, March 2019,

Pages: 1275 - 1278

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