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Two-phase separation observed in thermally treated pellets of ClO4- doped poly(3-methylthiophene) from electron spin resonance measurements

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dc.contributor.authorPereira, E. C.
dc.contributor.authorPawlicka, A.
dc.contributor.authorBulhoes, LOS
dc.contributor.authorNascimento, O. R.
dc.contributor.authorWalmsley, L.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:26:33Z
dc.date.available2014-05-20T15:26:33Z
dc.date.issued1996-04-01
dc.description.abstractA pressed pellet of CIO (-)(4) poly (3-methylthiophene) (P3MT) was heated for two hours at 85 degrees C and suddenly dropped in liquid nitrogen. A change was observed around 220 K in the Electron Spin Resonance (ESR) spectra when the sample was slowly cooled from room temperature. ESR line asymmetry parameter (A/B) showed two spatially separated phases. One was identified as a small metallic-like phase. The other phase, the larger one, makes a transition to a semiconducting Charge-Density Wave (CDW) state.en
dc.description.affiliationUNIV SAO PAULO,DEPT FISICOQUIM,INST QUIM,BR-13560970 SAO CARLOS,SP,BRAZIL
dc.description.affiliationUNIV SAO PAULO,INST FIS & INFORMAT,BR-13560970 SAO CARLOS,SP,BRAZIL
dc.description.affiliationUNIV ESTADUAL PAULISTA,INST GEOCIENCIAS & CIENCIAS EXATAS,DEPT FIS,BR-13500970 RIO CLARO,SP,BRAZIL
dc.description.affiliationUnespUNIV ESTADUAL PAULISTA,INST GEOCIENCIAS & CIENCIAS EXATAS,DEPT FIS,BR-13500970 RIO CLARO,SP,BRAZIL
dc.format.extent267-271
dc.identifierhttp://dx.doi.org/10.1016/0038-1098(96)00061-0
dc.identifier.citationSolid State Communications. Oxford: Pergamon-Elsevier B.V., v. 98, n. 4, p. 267-271, 1996.
dc.identifier.doi10.1016/0038-1098(96)00061-0
dc.identifier.issn0038-1098
dc.identifier.urihttp://hdl.handle.net/11449/36710
dc.identifier.wosWOS:A1996UC21500001
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofSolid State Communications
dc.relation.ispartofjcr1.549
dc.relation.ispartofsjr0,535
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectpolymerspt
dc.subjectelectron-phonon interactionspt
dc.subjectelectron paramagnetic resonancept
dc.titleTwo-phase separation observed in thermally treated pellets of ClO4- doped poly(3-methylthiophene) from electron spin resonance measurementsen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Geociências e Ciências Exatas, Rio Claropt
unesp.departmentFísica - IGCEpt

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Rio Claro - IGCE - Instituto de Geociências e Ciências Exatas