18 August 2005 Single crystal x-ray diffraction: optical and micro hardness studies on chalcone derivative single crystal
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1-(4-methylphenyl)-3-(4- N, N dimethyl amino phenyl)-2-propen-1-one, a chalcone derivative nonlinear optical material has been synthesized by standard method. FT-IR and NMR spectral studies have been performed to confirm the molecular structure of the synthesized compound. The single crystals up to a dimension of 13 x 9 x 3 mm3 were grown by slow evaporation method. The grown crystals were transparent in the entire visible region and absorbs in the UV-region. The refractive index has been measured using a He-Ne laser. The grown crystals have been subjected to single crystal X-ray diffraction studies to determine the crystal structure and hence the cell parameters of the crystal. From this study it is found that this compound crystallizes in orthorhombic system with a space group P212121 and corresponding lattice parameters are, a = 7.3610(13) Å, b = 11.651(2) Å, c = 17.6490(17) Å. The Kurtz powder second harmonic generation test shows that the compound is a potential candidate for Photonic application. The micro hardness test on these crystals were carried out and the load dependence hardness was observed
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Vincent Crasta, Vincent Crasta, V. Ravindrachary, V. Ravindrachary, R. F. Bhajantri, R. F. Bhajantri, S. Naveen, S. Naveen, M. A. Shridar, M. A. Shridar, J. Shashidhara Prasad, J. Shashidhara Prasad, } "Single crystal x-ray diffraction: optical and micro hardness studies on chalcone derivative single crystal", Proc. SPIE 5935, Linear and Nonlinear Optics of Organic Materials V, 593514 (18 August 2005); doi: 10.1117/12.616842; https://doi.org/10.1117/12.616842

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