Local structure of gadolinium in oxyfluoride glass matrices containing SrF2 and BaF2 crystallites
A Antuzevics, M Kemere, R Ignatans - Journal of Non-Crystalline Solids, 2016 - Elsevier
A Antuzevics, M Kemere, R Ignatans
Journal of Non-Crystalline Solids, 2016•ElsevierGd 3+ doped aluminosilicate oxyfluoride glasses and glass-ceramics containing SrF 2 and
BaF 2 crystallites have been studied by differential thermal analysis (DTA), X-ray diffraction
(XRD), transmission electron microscopy (TEM), photoluminescence (PL) and electron
paramagnetic resonance (EPR) spectroscopy techniques. A pronounced EPR fine structure
emerges after the heat treatment of the glass matrix. EPR spectra simulations indicate the
formation of cubic, tetragonal and trigonal Gd 3+ centres in the studied compositions.
BaF 2 crystallites have been studied by differential thermal analysis (DTA), X-ray diffraction
(XRD), transmission electron microscopy (TEM), photoluminescence (PL) and electron
paramagnetic resonance (EPR) spectroscopy techniques. A pronounced EPR fine structure
emerges after the heat treatment of the glass matrix. EPR spectra simulations indicate the
formation of cubic, tetragonal and trigonal Gd 3+ centres in the studied compositions.
Abstract
Gd3 + doped aluminosilicate oxyfluoride glasses and glass-ceramics containing SrF2 and BaF2 crystallites have been studied by differential thermal analysis (DTA), X-ray diffraction (XRD), transmission electron microscopy (TEM), photoluminescence (PL) and electron paramagnetic resonance (EPR) spectroscopy techniques. A pronounced EPR fine structure emerges after the heat treatment of the glass matrix. EPR spectra simulations indicate the formation of cubic, tetragonal and trigonal Gd3 + centres in the studied compositions.
Elsevier
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