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Cathodoluminescence Study of Hydrothermal Zn1-xMgxO Alloy Crystals

Published online by Cambridge University Press:  01 February 2011

Julio Mass ,
Manuel Avella ,
Juan Jiménez ,
Michael Callahan ,
E. Grant ,
K. Rakes ,
David Bliss  and
Buguo Wang
Julio Mass
Affiliation:
jmass@fmc.uva.es, Universidad de Valladolid, Física de la Materia Condensada, E.T.S.I.I, Paseo del Cauce s/n, Valladolid 47011, Spain
Manuel Avella
Affiliation:
manuel@fmc.uva.es, Universidad de Valladolid, Física de la Materia Condensada, E.T.S.I.I, Paseo del Cauce s/n, Valladolid, 47011, Spain
Juan Jiménez
Affiliation:
jimenez@fmc.uva.es, Universidad de Valladolid, Física de la Materia Condensada, E.T.S.I.I, Paseo del Cauce s/n, Valladolid, 47011, Spain
Michael Callahan
Affiliation:
michael.callahan@hanscom.af.mil, Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, MA, MA 01731, United States
E. Grant
Affiliation:
e.grant@hanscom.af.mil, Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, MA, MA 01731, United States
K. Rakes
Affiliation:
k.rakes@hanscom.af.mil, Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, MA, MA 01731, United States
David Bliss
Affiliation:
david.bliss@hanscom.af.mil, Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, MA, MA 01731, United States
Buguo Wang
Affiliation:
buguo.wang@solidstatescientific.com, Solid State Scientific Corporation, Hollis, NH, NH 03049, United States
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Abstract

Hydrothermal ZnMgO crystals were studied by cathodoluminescence. The high energy shift of the excitonic luminescence demonstrates the Mg incorporation in the ZnO lattice in at a few percent. The spectral parameters of the luminescence emission show a marked dependence of the incorporation of defects and Mg on the growth facet. This growth sector selectivity shows similar trends to those observed in hydrothermal ZnO crystals. The in depth distribution of Mg was studied varying the acceleration voltage of the excitation e-beam, showing a slight accumulation of Mg close to the surface.

Keywords

luminescencehydrothermaloptoelectronic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 957: Symposium K – Zinc Oxide and Related Materials , 2006 , 0957-K07-36
Copyright
Copyright © Materials Research Society 2007

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References

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