期刊
JOURNAL OF NON-CRYSTALLINE SOLIDS
卷 357, 期 3, 页码 836-841出版社
ELSEVIER
DOI: 10.1016/j.jnoncrysol.2010.11.008
关键词
Melt-quenching; Electron paramagnetic resonance; FTIR; bismuth borate glasses
Transparent glasses of the composition 10RO.20Bi(2)O(3 center dot)(70 - x)B(2)O(3 center dot)xCuO [R = Ca, Ba] with x = 0, 0.4, 0.8 (wt.%) were prepared via melt-quenching technique and characterized using X-ray powder diffraction. Spectroscopic measurements, viz., optical absorption, EPR, FTIR and photoluminescence (PL) were studied at room temperature. Analysis of the present investigations indicates that the concentration of luminescence centers of bismuth ions (Bi2+ ions in visible region) decreased by the integration of BaO and also by increasing dopent concentration. It is also observed that addition of CuO decreases stability of the glass network in calcium series and strengthens in barium series. (C) 2010 Elsevier B.V. All rights reserved.
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