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Title: Current transport and electroluminescence mechanisms in thin SiO2 films containing Si nanocluster-sensitized erbium ions.
Author: Jambois, Olivier
Berencén Ramírez, Yonder Antonio
Hijazi, K.
Wojdak, M.
Kenyon, Anthony J.
Gourbilleau, Fabrice
Rizk, Richard
Garrido Fernández, Blas
Keywords: Metall-òxid-semiconductors
Propietats òptiques
Metal oxide semiconductors
Optical properties
Issue Date: 2009
Publisher: American Institute of Physics
Abstract: We have studied the current transport and electroluminescence properties of metal oxide semiconductor MOS devices in which the oxide layer, which is codoped with silicon nanoclusters and erbium ions, is made by magnetron sputtering. Electrical measurements have allowed us to identify a Poole-Frenkel conduction mechanism. We observe an important contribution of the Si nanoclusters to the conduction in silicon oxide films, and no evidence of Fowler-Nordheim tunneling. The results suggest that the electroluminescence of the erbium ions in these layers is generated by energy transfer from the Si nanoparticles. Finally, we report an electroluminescence power efficiency above 10−3%. © 2009 American Institute of Physics. doi:10.1063/1.3213386
Note: Reproducció del document publicat a:
It is part of: Journal of Applied Physics, 2009, vol. 106, p. 063526-1-063526-6
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ISSN: 0021-8979
Appears in Collections:Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)
Publicacions de projectes de recerca finançats per la UE

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