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ZrO2 Nanopowders Doped with Eu: SEM, XRD and UV Spectroscopy Studies

  • Gerardo Villa Sánchez (a1) (a2), Demetrio Mendoza Anaya (a1), Emmanuel Palma Palma (a1) (a3), Claudia E. Gutiérrez Wing (a1), Raúl Pérez Hernández (a1), Oscar F. Olea Mejía (a2) and Federico García Santibañez (a3)...

Abstract

Zirconia nanopowders doped with different concentrations of Eu were prepared by the solgel method followed by a thermal treatment at 500°C. Morphological and crystallographic characteristics were studied by scanning electron microscopy, X-Ray diffraction and UV spectroscopoy. Results showed a modification of the size of nanopowder particles when the concentration of Eu is increased from 0.0 to 4.0 wt%. Also, at lower concentration of Eu the tetragonal ZrO2 is the most abundant phase while high concentrations of Eu lead to the formation of the monoclinic phase. The UV spectroscopy of ZrO2 samples shows two main absorption peaks at 228 and 214 nm. The novel characteristics of the ZrO2 nanopowders doped with Eu allow us to propose them for use as solar UV radiation detectors.

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ZrO2 Nanopowders Doped with Eu: SEM, XRD and UV Spectroscopy Studies

  • Gerardo Villa Sánchez (a1) (a2), Demetrio Mendoza Anaya (a1), Emmanuel Palma Palma (a1) (a3), Claudia E. Gutiérrez Wing (a1), Raúl Pérez Hernández (a1), Oscar F. Olea Mejía (a2) and Federico García Santibañez (a3)...

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