Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/96402
Type: Artigo de periódico
Title: Near Resonant Scattering From Nonsymmetric Dimers: Applications To Substituted Polyanilines
Author: Lavarda F.C.
Dos Santos M.C.
Galvao D.S.
Laks B.
Abstract: In this work we show that, beyond the prediction of the random dimer model [Wu and Phillips, Phys. Rev. Lett. 66, 1366 (1991)], it is possible to have near resonant scattering from nonsymmetric dimers. It is shown by direct density of states calculations as well as by a procedure similar to the random dimer model that protonated chains of alkyl-substituted polyanilines support extended electronic states at the Fermi energy when a disordered distribution of symmetric or asymmetric bipolarons is present. An extension of the random dimer model to include resonant scattering by nonsymmetric dimers is proposed.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-4243426200&partnerID=40&md5=c96f2c129b9fc71d0fd5593c9a9d0351
Date Issue: 1994
Appears in Collections:Unicamp - Artigos e Outros Documentos

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