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Synthesis, growth and third order nonlinear optical studies of a rhombohedral crystal: Sodium tetraborate pentahydrate
, Peer Mohamed M, , Rathika Thaya Kumari C, , Lydia Caroline M.
Published in Elsevier BV
2019
Volume: 57
   
Pages: 211 - 225
Abstract
An apt and a futuristic nonlinear optical material sodium tetraborate pentahydrate (STBPH) was synthesized and grown by the technique of slow evaporation. The structural parameters of the crystal was confirmed by single crystal XRD revealed rhombohedral crystal system. Crystal's broad optical transparency was revealed by UV–Vis absorption spectrum. From the absorption spectrum, theoretical calculations were made to determine absorption coefficient, band gap, Urbach energy and reflectance. The functional groups were identified by FT-IR and FT-Raman spectra. Vicker's microhardness measurement disclosed that the grown crystal belongs to soft material category. Photoluminescence (PL) spectral study of STBPH indicated violet and blue emission peaks respectively at 343.06 nm and at 453.11 nm, 490.19 nm. Dielectric studies reveal the dielectric nature of the grown crystal. TGA-DTA studies showed that the crystal holds good thermal stability. The third order nonlinearities of STBPH was investigated by Z-scan technique manifest its suitability in nonlinear optical applications. © 2018 The Physical Society of the Republic of China (Taiwan)
About the journal
JournalData powered by TypesetChinese Journal of Physics
PublisherData powered by TypesetElsevier BV
ISSN0577-9073
Open AccessNo
Authors (3)