The structure of lead-silicate glasses containing nanocrystallites of iron oxides
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The structure of iron-doped glasses and glass-ceramics were studied. Samples has the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO–xFe2O3, where x = 2, 5, 10, 15, 20 and 25 (in mol%). All samples were prepared by the conventional melt quenching technique; the melting was conducted in air at 1623 K in alumina crucibles. The melts were poured on a brass plate preheated to 573 K and formed into button-shaped samples. Afterwards pellets were annealed at 673K, cooled with the furnace. The presence of crystalline phases was examined by the X-ray diffraction method with the use of a Philips X'Pert Pro MPD system with CuKα radiation. Detailed information can be found in: http://dx.doi.org/10.1016/j.ssi.2013.10.008
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Natalia Anna Wójcik
