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Growth and characterization of a pure and doped nonlinear optical l-histidine acetate single crystals

✍ Scribed by P. Praveen Kumar; V. Manivannan; S. Tamilselvan; S. Senthil; Victor Antony Raj; P. Sagayaraj; J. Madhavan

Publisher: Elsevier Science
Year: 2008
Tongue: English
Weight: 805 KB
Volume: 281
Category: Article
ISSN: 0030-4018
DOI: 10.1016/j.optcom.2008.01.058

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✦ Synopsis

Single crystals of pure, Cu 2+ and Mg 2+ doped L-histidine acetate (LHA) were grown successfully by slow evaporation technique. The X-ray diffraction (XRD) studies were carried out for the pure and doped grown crystals. Absorption of these grown crystals was analyzed using UV-vis-NIR studies, and it was found that these crystals possess minimum absorption from 200 nm to 1500 nm. The pure and doped crystals are characterized by Fourier transform Raman (FT-Raman), thermal and photoconductivity studies. Vickers microhardness tests were carried out for the pure and doped crystals and the mechanical strengths were found. The dielectric constant and the dielectric loss with frequency were also studied.

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