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Tm-Er Codoping Al2O3 Thin Films: Activation by Annealing

Published online by Cambridge University Press:  01 February 2011

Zhisong Xiao ,
R. Serna ,
C. N. Afonso  and
I. Vickridge
Zhisong Xiao
Affiliation:
Instituto de Optica, CSIC, Serrano 121, 28006 Madrid, Spain
R. Serna
Affiliation:
Instituto de Optica, CSIC, Serrano 121, 28006 Madrid, Spain
C. N. Afonso
Affiliation:
Instituto de Optica, CSIC, Serrano 121, 28006 Madrid, Spain
I. Vickridge
Affiliation:
Instituto de Optica, CSIC, Serrano 121, 28006 Madrid, Spain
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Abstract

Amorphous aluminum oxide (Al2O3) thin films codoped with Tm3+ and Er3+ have been prepared by pulsed laser deposition. A broad emission band with a full-width half maximum (FWHM) up to 230 nm was observed in Tm-Er codoped film. The spectrum shows two peaks located at 1540 nm corresponding to Er3+ emission and 1640 nm due to Tm3+ emission. The luminescence intensity dependence on the annealing temperature was investigated. It is shown that the annealing temperature and energy transfer between Tm3+ and Er3+ ions play an important role in the definition of the luminescent response.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 866 , 2005 , V5.6/FF5.6
Copyright
Copyright © Materials Research Society 2005

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Footnotes

1

Institut de NanoSciences de Paris, UMR 7588 du CNRS, Universite de Paris 6 et 7, 2, Place Jussieu, 75251 Paris Cedex 05, France

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