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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Guerrero, Estefanía | - |
dc.contributor.author | Rojas, T. Cristina | - |
dc.contributor.author | Fernández-Camacho, A. | - |
dc.contributor.author | Multigner, M. | - |
dc.contributor.author | Crespo, Patricia | - |
dc.contributor.author | Muñoz-Márquez, Miguel Ángel | - |
dc.contributor.author | García, M. A. | - |
dc.contributor.author | Hernando, Antonio | - |
dc.date.accessioned | 2008-10-08T13:05:34Z | - |
dc.date.available | 2008-10-08T13:05:34Z | - |
dc.date.issued | 2006-12-21 | - |
dc.identifier.citation | Acta Materialia, 55 (5) : 1723-1730 (2007) | en_US |
dc.identifier.issn | 1359-6454 (Print) | - |
dc.identifier.uri | http://hdl.handle.net/10261/7600 | - |
dc.description.abstract | In the present paper, we show an exhaustive microstructural characterization of thiol-capped gold nanoparticles (NPs) with two different average particle sizes. These samples are compared with the polymer-like Au(I) phase formed as a precursor during the synthesis of the thiol-capped gold NPs. The set of analysed samples shows different microstructures at the nanoscale with different proportions of Au atoms bonded either to S or to Au atoms. It has been experimentally shown that the presence of a ferromagnetic-like behaviour is associated to the formation of NPs with simultaneous presence of Au–Au and Au–S bonds. In order to explain such magnetic behaviour a possible model is proposed based on the spin–orbit coupling so that localized charges and/or spins (Au–S bonds) can trap conduction electrons (Au–Au bonds) in orbits. | en_US |
dc.description.sponsorship | XAS facilities at BM29 in ESRF and the technical support from G.L. Ciatto are acknowledged. Financial support from the Spanish MEC (NAN2004-09125-C07) and “Junta de Andalucía” is also acknowledged. E. Guerrero thanks the Spanish MEC for financial support. | en_US |
dc.format.extent | 22195 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | Elsevier | en_US |
dc.rights | openAccess | en_US |
dc.subject | Gold nanoparticles | en_US |
dc.subject | Magnetic behaviour | en_US |
dc.subject | Microstructure | en_US |
dc.title | Evolution of the microstructure, chemical composition and magnetic behaviour during the synthesis of alkanethiol-capped gold nanoparticles | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1016/j.actamat.2006.10.033 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http:dx.doi.org/10.1016/j.actamat.2006.10.033 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
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ActaMaterialia_55_1723.pdf | 4,92 MB | Adobe PDF | Visualizar/Abrir |
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