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

Published online by Cambridge University Press:  08 February 2012

Gerardo Villa Sánchez ,
Demetrio Mendoza Anaya ,
Emmanuel Palma Palma ,
Claudia E. Gutiérrez Wing ,
Raúl Pérez Hernández ,
Oscar F. Olea Mejía  and
Federico García Santibañez
Gerardo Villa Sánchez
Affiliation:
Instituto Nacional de Investigaciones Nucleares; Carr. México-Toluca s/n La Marquesa, Ocoyoacac, Edo. de Mexico C.P. 52750, Mexico. Facultad de Química, UAEMex. Paseo Colón y Tollocan, Toluca, México 50110, México.
Demetrio Mendoza Anaya*
Affiliation:
Instituto Nacional de Investigaciones Nucleares; Carr. México-Toluca s/n La Marquesa, Ocoyoacac, Edo. de Mexico C.P. 52750, Mexico.
Emmanuel Palma Palma
Affiliation:
Instituto Nacional de Investigaciones Nucleares; Carr. México-Toluca s/n La Marquesa, Ocoyoacac, Edo. de Mexico C.P. 52750, Mexico. Facultad de Ciencias, UAEMex. El Cerrillo Piedras Blancas, Toluca, Edo. de México.
Claudia E. Gutiérrez Wing
Affiliation:
Instituto Nacional de Investigaciones Nucleares; Carr. México-Toluca s/n La Marquesa, Ocoyoacac, Edo. de Mexico C.P. 52750, Mexico.
Raúl Pérez Hernández
Affiliation:
Instituto Nacional de Investigaciones Nucleares; Carr. México-Toluca s/n La Marquesa, Ocoyoacac, Edo. de Mexico C.P. 52750, Mexico.
Oscar F. Olea Mejía
Affiliation:
Facultad de Química, UAEMex. Paseo Colón y Tollocan, Toluca, México 50110, México.
Federico García Santibañez
Affiliation:
Facultad de Ciencias, UAEMex. El Cerrillo Piedras Blancas, Toluca, Edo. de México.
*
*E-mail: demetrio.mendoza@inin.gob.mx
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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.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1371: Symposium S1 – Nanostructured Materials and Nanotechnology , 2012 , imrc11-1371-s1-p081
Copyright
Copyright © Materials Research Society 2012

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References

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