Synthesis of pigments of Fe 2 O 3 ·SiO 2 system, with Ca, Mg, or Co oxide additions | Zendy

Tsvetan Dimitrov | Zendy; S. Kozhukharov | Zendy; Nikolay Velinov | Zendy

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Synthesis of pigments of Fe 2 O 3 ·SiO 2 system, with Ca, Mg, or Co oxide additions

Author(s) -

Tsvetan Dimitrov,

S. Kozhukharov,

Nikolay Velinov

Publication year - 2016

Publication title -

boletín de la sociedad española de cerámica y vidrio

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.462

H-Index - 24

eISSN - 2173-0431

pISSN - 0366-3175

DOI - 10.1016/j.bsecv.2016.11.001

Subject(s) - analytical chemistry (journal) , materials science , scanning electron microscope , spectroscopy , electron paramagnetic resonance , ceramic , dopant , nuclear chemistry , mineralogy , doping , chemistry , physics , nuclear magnetic resonance , chromatography , metallurgy , optoelectronics , quantum mechanics , composite material

The present research work is based on the comparative evaluation of the Ca, Mg, and Co dopant impact on the properties of new ceramic pigments from the system Fe2O3·SiO2 obtained via classical ceramic technology. This approach enabled determination of the optimal temperature for the synthesis and the most appropriate mineralizer. The obtained specimens were submitted to systematical analysis, including X-ray Diffraction (XRD) spectroscopy, Electron Paramagnetic Resonance (EPR) analysis and Mössbauer spectroscopy for crystalline phase determination. The color characteristics are quantified by spectrophotometric measurements. The pigments particle size has been determined by Scanning Electron Microscopy (SEM), combined by Energy Dispersion X-ray spectroscopy (EDX). The obtained results enabled to determine the correlation between the calcination temperature and the phase compositions of the obtained pigments. In addition, some interesting magnetic properties were detected for the Co-doped composition

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