Tipărire

B. A. Sava, A. Diaconu, L. Boroica, D. Ursu, T. Visan, M. Elisa, A. Balu, Raman and ESR study of sol–gel materials from ZnO–TiO2–B2O3 system, J. Non-Cryst. Solids, 355 (2009) 2020–2022

 

Title: Raman and ESR study of sol–gel materials from ZnO–TiO2–B2O3 system

Abstract: The paper studies the materials from ZnO-TiO(2)-B(2)O(3) ternary system, obtained by sol-gel method [1,2], starting from organic and inorganic precursors. The obtained samples are investigated by FTIR and Raman spectroscopy, which provide structural information, at molecular level. FTIR absorption maxima are identified and discussed according to literature data. Raman spectra are acquired by a Raman Jasco NRS-3100 spectrometer. at 532 nm wavelength and put in evidence characteristic vibration modes for all three oxide components. ESR spectra were plotted with the aid of a JES-FA 100-JEOL Japan spectrometer and titanium surrounding is investigated. (C) 2009 Elsevier B.V. All rights reserved.

Key words: FTIR measurements; Raman spectroscopy; Borates; Titanates; Electron spin resonance; Sol-gels (xerogels); Medium-range order

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