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http://hdl.handle.net/10261/162863
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Peláez, Ramón J. | es_ES |
dc.contributor.author | Maté, Belén | es_ES |
dc.contributor.author | Tanarro, Isabel | es_ES |
dc.contributor.author | Molpeceres, Germán | es_ES |
dc.contributor.author | Jiménez-Redondo, Miguel | es_ES |
dc.contributor.author | Timón, Vicente | es_ES |
dc.contributor.author | Escribano, Rafael | es_ES |
dc.contributor.author | Herrero, Víctor J. | es_ES |
dc.date.accessioned | 2018-03-26T07:47:32Z | - |
dc.date.available | 2018-03-26T07:47:32Z | - |
dc.date.issued | 2018-03-14 | - |
dc.identifier.citation | Plasma Sources Science and Technology 27: 035007 (2018) | es_ES |
dc.identifier.issn | 0963-0252 | - |
dc.identifier.uri | http://hdl.handle.net/10261/162863 | - |
dc.description | 10 pags., 9 figs., 2 tabs. | es_ES |
dc.description.abstract | Interstellar (IS) dust analogs, based on amorphous hydrogenated carbon (a-C:H) were generated by plasma deposition in radio frequency discharges of CH4 + He mixtures. The a-C:H samples were characterized by means of secondary electron microscopy, infrared (IR) spectroscopy and UV-visible reflectivity. DFT calculations of structure and IR spectra were also carried out. From the experimental data, atomic compositions were estimated. Both IR and reflectivity measurements led to similar high proportions (≈50%) of H atoms, but there was a significant discrepancy in the sp2/sp3 hybridization ratios of C atoms (sp2/sp3 = 1.5 from IR and 0.25 from reflectivity). Energetic processing of the samples with 5 keV electrons led to a decay of IR aliphatic bands and to a growth of aromatic bands, which is consistent with a dehydrogenation and graphitization of the samples. The decay of the CH aliphatic stretching band at 3.4 μm upon electron irradiation is relatively slow. Estimates based on the absorbed energy and on models of cosmic ray (CR) flux indicate that CR bombardment is not enough to justify the observed disappearance of this band in dense IS clouds. | es_ES |
dc.description.sponsorship | This work was funded by the Spanish MINECO under grants FIS2013-48087-C2-1P and FIS2016-77726-C3-1P. European Union funding under the project ERC-2013-Syg 610256 (NANOCOSMOS) is also acknowledged. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Institute of Physics Publishing | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/FIS2013-48087-C2-1P | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/FIS2016-77726-C3-1P | es_ES |
dc.relation | info:eu-repo/grantAgreement/EC/FP7/610256 | es_ES |
dc.relation.isversionof | Postprint | es_ES |
dc.rights | openAccess | en_EN |
dc.subject | Plasma deposition | es_ES |
dc.subject | Amorphous hydrogenated carbon | es_ES |
dc.subject | Electrron bombardment | es_ES |
dc.subject | Interstellar dust analogs | es_ES |
dc.title | Plasma generation and processing of interstellar carbonaceous dust analogs | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1088/1361-6595/aab185 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | https://doi.org/10.1088/1361-6595/aab185 | es_ES |
dc.identifier.e-issn | 1361-6595 | - |
dc.embargo.terms | 2019-03-14 | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | es_ES |
dc.contributor.funder | European Commission | es_ES |
dc.relation.csic | Sí | es_ES |
oprm.item.hasRevision | no ko 0 false | * |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.pmid | 29983483 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
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Peláez_2018_Plasma_Sources_Sci._Technol._27_035007.pdf | Postprint artículo | 1,5 MB | Adobe PDF | Visualizar/Abrir |
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