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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/34848
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dc.contributor.authorMiranda, P. B.-
dc.contributor.authorMoses, D.-
dc.contributor.authorPark, Y. W.-
dc.contributor.authorHeeger, A. J.-
dc.date.accessioned2014-05-20T15:24:12Z-
dc.date.accessioned2016-10-25T17:58:21Z-
dc.date.available2014-05-20T15:24:12Z-
dc.date.available2016-10-25T17:58:21Z-
dc.date.issued2003-04-04-
dc.identifierhttp://dx.doi.org/10.1016/S0379-6779(02)00600-8-
dc.identifier.citationSynthetic Metals. Lausanne: Elsevier B.V. Sa, v. 135, n. 1-3, p. 445-446, 2003.-
dc.identifier.issn0379-6779-
dc.identifier.urihttp://hdl.handle.net/11449/34848-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/34848-
dc.description.abstractUltrafast photoinduced absorption by IRAV modes is used to detect charged solitons in oriented polyacetylene. We find that soliton pairs are photogenerated within our time resolution of similar to250 fs with similar to100% quantum efficiency (phi(ch)). The excitation spectrum of phi(ch) shows an onset at 1.0 eV, with a weak photon energy dependence up to 4.7 eV. These results agree with the ultrafast soliton formation predicted by Su and Schrieffer and with the SSH threshold of 2E(g)/pi for soliton pair production.en
dc.format.extent445-446-
dc.language.isoeng-
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjecttime-resolved fast spectroscopypt
dc.subjectphotoinduced absorption spectroscopypt
dc.subjectpolyacetylene and derivativespt
dc.subjectsemiconducting filmspt
dc.subjecttensile drawingpt
dc.subjectphotoconductivitypt
dc.titleExcitation spectrum for ultrafast photogeneration of charged solitons in polyacetyleneen
dc.typeoutro-
dc.contributor.institutionUniv Calif Santa Barbara-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionSeoul Natl Univ-
dc.description.affiliationUniv Calif Santa Barbara, Ctr Polymers & Organ Solids, Santa Barbara, CA 93106 USA-
dc.description.affiliationUniv Estadual Paulista, Dept Fis, Fac Ciências, BR-17015970 Bauru, SP, Brazil-
dc.description.affiliationSeoul Natl Univ, Sch Phys, Seoul 151747, South Korea-
dc.description.affiliationUnespUniv Estadual Paulista, Dept Fis, Fac Ciências, BR-17015970 Bauru, SP, Brazil-
dc.identifier.doi10.1016/S0379-6779(02)00600-8-
dc.identifier.wosWOS:000182533700207-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofSynthetic Metals-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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