Thermally activated trapping in Fe-doped LiNbO3

Small polaron formation in LiNbO3 is shown to cause thermally activated electron capture on deep impurities. The activation energy for carrier trapping is calculated by using a simple model, which takes into account ionic relaxation for both the impurity and the lattice. The calculation predicts an...

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Bibliographic Details
Published in:Applied physics letters 1976-01, Vol.29 (12), p.778-780
Main Author: Zylbersztejn, A.
Format: Article
Language:English
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Summary:Small polaron formation in LiNbO3 is shown to cause thermally activated electron capture on deep impurities. The activation energy for carrier trapping is calculated by using a simple model, which takes into account ionic relaxation for both the impurity and the lattice. The calculation predicts an activation energy for thermal decay of an excess Fe2+ population which agrees with experiment.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.88946