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Thermoluminescence of Vanadium–Doped SiO2 Synthesized by a Sol-Gel Method

Published online by Cambridge University Press:  01 February 2011

S. E. Burruel-Ibarra ,
R. Bernal ,
L. L. Díaz-Flores ,
C. Cruz-Vázquez ,
V. R. Orante-Barrón  and
V. M. Castaño
S. E. Burruel-Ibarra
Affiliation:
Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Apdo. Postal 130, Hermosillo, Sonora 83000 México
R. Bernal
Affiliation:
Departamento de Investigación en Física, Universidad de Sonora, Apdo. Postal 5-088, Hermosillo, Sonora 83190 México
L. L. Díaz-Flores
Affiliation:
Universidad Juárez Autónoma de Tabasco, Av.Universidad S/N Zona de la Cultura, Villahermosa, Tabasco 86000 México
C. Cruz-Vázquez
Affiliation:
Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Apdo. Postal 130, Hermosillo, Sonora 83000 México
V. R. Orante-Barrón
Affiliation:
Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Apdo. Postal 130, Hermosillo, Sonora 83000 México
V. M. Castaño
Affiliation:
Centro de Física Aplicada y Tecnología Avanzada, Instituto de Física de la Universidad Nacional Autónoma de México, Apartado Postal 1-1010, Querétaro, Querétaro 76000 México
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Abstract

Thermoluminescence (TL) properties of pulverized SiO2:V monoliths synthesized by a solgel method, and annealed at 1273 K during 12 h under air, are presented in this work. Characteristics TL glow curves display a complex shape with at least three maxima located at ˜379, ˜543 and ˜591K. The TL total signal exhibited a linear behavior for doses below 400 Gy. The integrated TL fades down 26 % after 3 h elapsed between irradiation and the corresponding TL readout. These results lead to conclude that annealed SiO2:V is a promising material for ionizing radiation detection and dosimetry.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1278: Composite, Hybrid Materials and Ecomaterials , 2010 , S08-30
Copyright
Copyright © Materials Research Society 2010

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