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http://hdl.handle.net/10261/12526
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dc.contributor.author | Rodríguez Suárez, Teresa | - |
dc.contributor.author | Díaz, Luis A. | - |
dc.contributor.author | López-Esteban, Sonia | - |
dc.contributor.author | Pecharromán, Carlos | - |
dc.contributor.author | Esteban-Cubillo, A. | - |
dc.contributor.author | Torrecillas, Ramón | - |
dc.contributor.author | Moya, J. S. | - |
dc.date.accessioned | 2009-04-24T07:42:19Z | - |
dc.date.available | 2009-04-24T07:42:19Z | - |
dc.date.issued | 2008-04-21 | - |
dc.identifier.citation | Nanotechnology 19(21): 215605 (2008) | en_US |
dc.identifier.issn | 0957-4484 | - |
dc.identifier.uri | http://hdl.handle.net/10261/12526 | - |
dc.description.abstract | Isolated tungsten nanoparticles (α-W and β-W phase) were synthesized and epitaxially grown on alumina and spinel particle surfaces with an average tungsten size of ≤20 nm for a low tungsten content (of ≤1.5 vol%). Using tungsten (VI) ethoxide alcoholic solutions, tungsten trioxide hydrated precursors were attached to a ceramic grains surface as a nanoparticle coating. High-resolution transmission electron microscopy (HRTEM) micrographs showed epitaxial interfaces between alumina, spinel and metallic tungsten. This epitaxial growth is assumed to be due to the effect of water vapour on the sublimation of ortho-tungstic acid during the reduction process in a hydrogen atmosphere. The planes involved in the epitaxy were found to be (220)Al2O3||(121)W and (311)MgAl2O4||(110)W. | en_US |
dc.description.sponsorship | This research was supported by the European Union under the IP-NANOKER project (FP6-515784-2), by the Spanish Ministry of Education and Science under the project MAT2006-10249-C02-01, and by the Autonomous Region of Madrid (CAM) under project 200660M011-NanoCeraMetal. S Lopez-Esteban was supported by the Spanish Ministry of Education and Science under the Ramón y Cajal Programme. | en_US |
dc.format.extent | 918459 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | Institute of Physics Publishing | en_US |
dc.relation.isversionof | Postprint | - |
dc.rights | openAccess | en_US |
dc.subject | Tungsten nanoparticles | en_US |
dc.subject | Epitaxial growth | en_US |
dc.subject | Nanoparticle coating | en_US |
dc.subject | Ceramic grains surface | en_US |
dc.subject | Alumina | en_US |
dc.subject | Spinel | en_US |
dc.title | Epitaxial growth of tungsten nanoparticles on alumina and spinel surfaces | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1088/0957-4484/19/21/215605 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1088/0957-4484/19/21/215605 | en_US |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Ministerio de Educación y Ciencia (España) | - |
dc.contributor.funder | Comunidad de Madrid | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/100012818 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
Aparece en las colecciones: | (ICMM) Artículos (CINN) Artículos |
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Epitaxial growth.pdf | 2,27 MB | Adobe PDF | Visualizar/Abrir |
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