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Impact of the Electron-Phonon Interactions on the Polaron Dynamics in Graphene Nanoribbons
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- Passos Abreu, Ana Virginia (author)
- University of Brasilia, Brazil
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- Fernando Teixeira, Jonathan (author)
- University of Brasilia, Brazil
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- Luciano de Almeida Fonseca, Antonio (author)
- University of Brasilia, Brazil
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- (creator_code:org_t)
- 2016-04-14
- 2016
- English.
- In: Journal of Physical Chemistry A. - : AMER CHEMICAL SOC. - 1089-5639 .- 1520-5215. ; 120:27, s. 4901-4906
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The influence of the electron-phonon (e-ph) interactions on the filed-included polaron dynamics in armchair graphene nanoribbons (GNRs) is theoretically investigated in the scope of a two-dimensional tight-binding model. The results show that the localization of the polaronic charge increases when the strength of e-ph coupling also increases. Consequently, the polaron saturation velocity decreases for higher e-ph coupling strengths. Interestingly, the interplay between the e-ph coupling strength and the GNR width changes substantially the polaron dynamics properties.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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- ref (subject category)
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