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 Spatial distribution of Mn-related emission in GaP studied by cathodoluminescence and photoluminescence
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/6206

title: Spatial distribution of Mn-related emission in GaP studied by cathodoluminescence and photoluminescence
authors: Piqueras, J.
Domínguez-Adame, F.
Monteiro, T.
Pereira, E.
keywords: GaP:Mn
CL-SEM
PL
issue date: 1993
publisher: Elsevier
abstract: Cathodoluminescence (CL) from untreated as well as heat-treated GaP:Te:Mn samples has been investigated. Spectra of untreated samples present two emission bands that peak at 585 and 730 nm. The CL image shows bright spots associated with dislocations, as well as doping striations. The red band (730 nm) is higher at these bright spots. Heat treatments enhance the red-band emission, while the bright spot contrast remains. Timeresolved photoluminescence indicates that the red band is due to excitons bound to complexes
URI: http://hdl.handle.net/10773/6206
ISSN: 0254-0584
publisher version/DOI: dx.doi.org/10.1016/0254-0584(93)90186-P
source: Materials Chemistry and Physics
appears in collectionsFIS - Artigos

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