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|Type:||Artigo de periódico|
|Title:||Extended States In Finite One-dimensional, Disordered, Highly Doped, Itransr-polyacetylene Chains|
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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