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dc.contributor.authorSantos, DCR-
dc.contributor.authorSantos, F. P.-
dc.contributor.authorMota, Rogério Pinto-
dc.contributor.authorHonda, R. Y.-
dc.contributor.authorAlgatti, M. A.-
dc.identifier.citationSurface & Coatings Technology. Lausanne: Elsevier B.V. Sa, v. 94-5, n. 1-3, p. 686-690, 1997.-
dc.description.abstractPlasmas generated in de discharges in aromatic compounds have been used for several years in polymerization processes. The chemical kinetics developed in such a plasma environment are extremely complicated. Therefore it is extremely important to set up optical and electrical diagnostics in order to establish the kinetics of the film growth, In this work we studied de plasmas generated ill low-pressure atmospheres of benzene for different values of gas pressure and power coupled to the discharge. The pressure range varied from 0.2 to 1.0 mbar for electric power running from 4 to 25 W, the main chemical species observed within the discharge were CH, H and C. It was observed that the CH relative concentration increases continuously with the power in the range investigated. The electron temperature varied from 0.5 to 2.0 eV with the increase of the power, for a fixed value of gas pressure. The relative dielectric constant of the plasma polymerized benzene was kept around 4.8 from 100 Hz to 10 kHz, presenting a resonance near 25 kHz. This electric behaviour of the film was the same fur different conditions of polymeric film deposition, (C) 1997 Elsevier B.V. S.A.en
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjectbenzene plasmapt
dc.subjectelectronic temperaturept
dc.subjectpolymerization processpt
dc.titleOptical and electrical diagnostics measurements of plasmas generated in aromatic compoundsen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUNESP, DFQ, FE, BR-12500000 Guaratingueta, SP, Brazil-
dc.description.affiliationUnespUNESP, DFQ, FE, BR-12500000 Guaratingueta, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofSurface & Coatings Technology-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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