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Type: Artigo de periódico
Title: Extended States In Finite One-dimensional, Disordered, Highly Doped, Itransr-polyacetylene Chains
Author: Lavarda F.C.
Galvo D.S.
Laks B.
Abstract: In this work we calculate the density of states for long finite one-dimensional ItransR-polyacetylene chains with a disordered distribution of solitonlike defects. The theoretical model adopted is a combination of the negative-factor-counting technique and Austin method 1 calculations. Our results show the presence of extended (conducting) states at the Fermi level that could explain the semiconductor-metal transition for highly doped ItransR-polyacetylene, in accord with the experimentally observed infrared-active vibrational modes. © 1992 The American Physical Society.
Citation: Physical Review B. , v. 45, n. 6, p. 3107 - 3110, 1992.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.45.3107
Date Issue: 1992
Appears in Collections:Unicamp - Artigos e Outros Documentos

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