http://www.cnr.it/ontology/cnr/individuo/prodotto/ID52436
How much room for BiGa heteroantisites in GaAs1-xBix? (Articolo in rivista)
- Type
- Label
- How much room for BiGa heteroantisites in GaAs1-xBix? (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Alternative label
Ciatto G., Alippi P., Amore Bonapasta A., Tiedje T. (2011)
How much room for BiGa heteroantisites in GaAs1-xBix?
in Applied physics letters
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ciatto G., Alippi P., Amore Bonapasta A., Tiedje T. (literal)
- Pagina inizio
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- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
- http://dx.doi.org/10.1063/1.3647635 (literal)
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Synchrotron SOLEIL, LOrme des Merisiers, Saint-Aubin, BP48, Gif-sur-Yvette Cedex 91192, France
CNR-Istituto di Struttura della Materia, Via Salaria km. 29, Monterotondo Stazione300 I-00016, Italy
Department of Electrical and Computer Engineering, University of Victoria, Victoria, British Columbia V8W 3P6, Canada (literal)
- Titolo
- How much room for BiGa heteroantisites in GaAs1-xBix? (literal)
- Abstract
- We addressed the issue of bismuth heteroantisite defects (BiGa) in GaAs1-xBix/GaAs epilayers by coupling x-ray absorption spectroscopy at the bismuth edge with density functional theory calculations of the defect structure. Calculations predict a large relaxation of the Bi-As interatomic distances when Bi atoms substitute Ga, however we found no experimental evidence of it. Quantitative analysis of the x-ray absorption spectra allows us to establish a maximum concentration limit for BiGa, which corresponds to about 5% of the total Bi atoms. BiGa do not account for the modifications in the spectra previously attributed to short range ordering. (literal)
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