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dc.contributor.author
Palacios, W. D.
dc.contributor.author
Koropecki, Roberto Roman
dc.contributor.author
Arce, Roberto Delio
dc.contributor.author
Busso, Arturo Jose
dc.date.available
2017-09-28T19:58:07Z
dc.date.issued
2008-12
dc.identifier.citation
Palacios, W. D.; Koropecki, Roberto Roman; Arce, Roberto Delio; Busso, Arturo Jose; Hydrogen isotopic substitution experiments in nanostructured porous silicon; Elsevier Science Sa; Thin Solid Films; 516; 12; 12-2008; 3729-3734
dc.identifier.issn
0040-6090
dc.identifier.uri
http://hdl.handle.net/11336/25371
dc.description.abstract
Nanostructured porous silicon is usually prepared by electrochemical anodization of monocrystalline silicon using a fluorine-rich electrolyte. As a result of this process, the silicon atoms conserve their original crystalline location, and many of the dangling bonds appearing on the surface of the nanostructure are saturated by hydrogen coming from the electrolyte. This work presents an IR study of the effects produced by partial substitution of water in the electrolytic solution by deuterium oxide. The isotopic effects on the IR spectra are analyzed for the as-prepared samples and for the samples subjected to partial thermal effusion of hydrogen and deuterium. We demonstrate that, although deuterium is chemically indistinguishable from hydrogen, it presents a singular behaviour when used in porous silicon preparation. We found that deuterium preferentially bonds forming SiDH groups. A possible explanation of the phenomenon is presented, based on the different diffusivities of hydrogen and deuterium.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science Sa
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Isotopical Substitution
dc.subject
Porous Silicon
dc.subject
Nanostructures
dc.subject
Infrared Spectroscopy
dc.subject.classification
Compuestos
dc.subject.classification
Ingeniería de los Materiales
dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
dc.title
Hydrogen isotopic substitution experiments in nanostructured porous silicon
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-09-25T18:20:53Z
dc.journal.volume
516
dc.journal.number
12
dc.journal.pagination
3729-3734
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Palacios, W. D.. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas Naturales y Agrimensura; Argentina
dc.description.fil
Fil: Koropecki, Roberto Roman. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
dc.description.fil
Fil: Arce, Roberto Delio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
dc.description.fil
Fil: Busso, Arturo Jose. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas Naturales y Agrimensura; Argentina
dc.journal.title
Thin Solid Films
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0040609007009030
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.tsf.2007.06.024


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