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Thermal Neutron Irradiation of LiNbO3 Crystals Doped with Hf and Hfmg

Published online by Cambridge University Press:  15 February 2011

J. G. Marques ,
A. Kling ,
J. C. Soares ,
M. F. Da Silva ,
E. Diétguez  and
F. Agullö-Löpez
J. G. Marques
Affiliation:
CFN, Univ. Lisboa, Av. Prof. Gama Pinto, 2, P-1699 Lisboa Codex, Portugal
A. Kling
Affiliation:
CFN, Univ. Lisboa, Av. Prof. Gama Pinto, 2, P-1699 Lisboa Codex, Portugal
J. C. Soares
Affiliation:
CFN, Univ. Lisboa, Av. Prof. Gama Pinto, 2, P-1699 Lisboa Codex, Portugal
M. F. Da Silva
Affiliation:
Instituto Tecnológico e Nuclear, Estrada Nacional 10, P-2685 Sacavém, Portugal
E. Diétguez
Affiliation:
Dept. Física de Materiales, Univ. Autónoma de Madrid, E-28049 Madrid, Spain
F. Agullö-Löpez
Affiliation:
Dept. Física de Materiales, Univ. Autónoma de Madrid, E-28049 Madrid, Spain
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Abstract

The effects of irradiation with thermal neutrons on LiNbO3 single crystals doped with Hf and Hf,Mg were studied with ion beam and hyperfme interaction techniques, using Hf as a probe. In crystals where Hf occupies both Li and Nb sites, the fraction in Nb sites is strongly reduced after irradiation. The initial situation is recovered after thermal annealing at 973 K, in air.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 439: Symposium B – Microstructure Evolution During Irradiation , 1996 , 645
Copyright
Copyright © Materials Research Society 1997

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