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A Luminescence Study of Electron-Irradiated ZnO Crystals

Published online by Cambridge University Press:  31 January 2011

Manuel Avella ,
Oscar Martínez ,
Juan Jiménez ,
Buguo Wang ,
P. Devrinsky  and
David Bliss
Manuel Avella
Affiliation:
manuel@fmc.uva.es, Universidad de Valladolid, Física de la Materia Condensada, Valladolid, Spain
Oscar Martínez
Affiliation:
oscar@fmc.uva.es, Universidad de Valladolid, Física de la Materia Condensada, Valladolid, Spain
Juan Jiménez
Affiliation:
jimenez@fmc.uva.es, University of Valladolid, Paseo de Belén, 1, Valladolid, 47011, Spain
Buguo Wang
Affiliation:
Buguo.Wang.ctr@hanscom.af.mil, Solid State Scientific Corp., Hollis, New Hampshire, United States
P. Devrinsky
Affiliation:
P.Devrinsky@hanscom.af.mil, Air Force Research Laboratory, Sensors Directorate, Hanscom, Massachusetts, United States
David Bliss
Affiliation:
david.bliss@hadscome.af.mil, Air Force Research Laboratory, Sensors Directorate, Hanscom, Massachusetts, United States
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Abstract

ZnO crystals were irradiated with high energy electrons (1MeV). The main defects created were analyzed by cathodoluminescence (CL) spectroscopy. The main effects of irradiation on the CL spectrum were the partial quenching of the emission, the shift of the visible luminescence to the yellow, and the observation of an additional band and its phonon replicas at ∼3.32 eV. Zinc vacancy related defects are postulated as responsible for the changes induced in the spectrum.

Keywords

electron irradiationluminescencedefects
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1201: Symposium H – Zinc Oxide and Related Materials-2009 , 2009 , 1201-H05-09
Copyright
Copyright © Materials Research Society 2010

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