Utilize este identificador para referenciar este registo:
https://hdl.handle.net/10316/4386
Campo DC | Valor | Idioma |
---|---|---|
dc.contributor.author | Gordo, P. M. | - |
dc.contributor.author | Marques, M. F. Ferreira | - |
dc.contributor.author | Gil, C. Lopes | - |
dc.contributor.author | Lima, A. P. de | - |
dc.contributor.author | Lavareda, G. | - |
dc.contributor.author | Carvalho, C. Nunes de | - |
dc.contributor.author | Amaral, A. | - |
dc.contributor.author | Kajcsos, Zs. | - |
dc.date.accessioned | 2008-09-01T11:06:14Z | - |
dc.date.available | 2008-09-01T11:06:14Z | - |
dc.date.issued | 2007 | en_US |
dc.identifier.citation | Radiation Physics and Chemistry. 76:2 (2007) 220-223 | en_US |
dc.identifier.uri | https://hdl.handle.net/10316/4386 | - |
dc.description.abstract | Defect structure of hydrogenated amorphous silicon thin-films was studied by positron annihilation spectroscopy (PAS), whereas the density of states below the Fermi level was measured by constant photocurrent method (CPM). Divacancies and large vacancy clusters were identified as the main defects present in these films, with relative concentrations strongly dependent on the rf-power. Correlation between PAS, CPM results and I(V) characteristics of solar cells suggests the creation of energy levels above the Fermi energy, not observable by CPM, related to large vacancy clusters. | en_US |
dc.description.uri | http://www.sciencedirect.com/science/article/B6TVT-4JX373P-2/1/af7c69b0fdf17cefb2432fb357d5d86f | en_US |
dc.format.mimetype | aplication/PDF | en |
dc.language.iso | eng | eng |
dc.rights | openAccess | eng |
dc.subject | Variable-energy positron annihilation | en_US |
dc.subject | Doppler broadening | en_US |
dc.subject | Constant photocurrent method | en_US |
dc.subject | Defects | en_US |
dc.subject | Density of states | en_US |
dc.title | Positron annihilation and constant photocurrent method measurements on a-Si:H films: A comparative approach to defect identification | en_US |
dc.type | article | en_US |
dc.identifier.doi | 10.1016/j.radphyschem.2006.03.040 | - |
uc.controloAutoridade | Sim | - |
item.fulltext | Com Texto completo | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.languageiso639-1 | en | - |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
crisitem.author.researchunit | CFisUC – Center for Physics of the University of Coimbra | - |
crisitem.author.orcid | 0000-0002-8679-8134 | - |
Aparece nas coleções: | FCTUC Física - Artigos em Revistas Internacionais |
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Ficheiro | Descrição | Tamanho | Formato | |
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file71d453796ee843a192f9360344170d95.pdf | 143.56 kB | Adobe PDF | Ver/Abrir |
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