Photoluminescence and thermal stability of Tb3+-doped Gd2O3 nanoparticles embedded in SiO2 host matrix

Terbium doped SiO2-Gd2O3 materials were obtained by a sol-gel process and heat-treated at 1000 °C. The effect of Tb3+concentration on structural, optical and photoluminescent properties of materials are reported here. FT-IR indicated the presence of Gd2O3 and SiO2 in the composition of materials. XR...

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Veröffentlicht in:	Journal of alloys and compounds 2018-01, Vol.731, p.889-897
Hauptverfasser:	Rocha, Leonardo Alves, Siqueira, Renato Luiz, Esbenshade, Jennifer, Schiavon, Marco Antonio, Ferrari, Jefferson Luis
Format:	Artikel
Sprache:	eng
Schlagworte:	Chromaticity Cubic lattice Effects Emission spectra Excitation spectra Gadolinium oxides Gd2O3 Heat treatment Luminescence quenching Optical properties Photoluminescence Photonics Silicon dioxide Sol-gel Sol-gel processes Tb3 Temperature Terbium Thermal energy Thermal quenching Thermal stability
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