WFRF:(da Silva Antonio Ferreira)
Sökning: WFRF:(da Silva Antonio Ferreira) > Spin-Orbit Effects ...
- Ribeiro Jr, Luiz AntonioLinköpings universitet,Teoretisk Fysik,Tekniska fakulteten,Institute of Physics, University of Brasίlia, Brasίlia, Brazil (författare)
Spin-Orbit Effects on the Dynamical Properties of Polarons in Graphene Nanoribbons
- Artikel/kapitelEngelska2018
Förlag, utgivningsår, omfång ...
- 2018-01-30
- Nature Publishing Group,2018
- electronicrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:liu-145247
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-145247URI
- https://doi.org/10.1038/s41598-018-19893-yDOI
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- Språk:engelska
- Sammanfattning på:engelska
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- Funding Agencies|CNPq; CAPES; FAP-DF; FINATEC; Brazilian Ministry of Planning, Development and Management [005/2016 DIPLA, 11/2016 SEST]; DPGU - Brazilian Union Public Defender [066/2016]; FAP-DF [0193.000.942/2015, 0193.001343/2016]; IFG
- The dynamical properties of polarons in armchair graphene nanoribbons (GNR) is numerically investigated in the framework of a two-dimensional tight-binding model that considers spin-orbit (SO) coupling and electron-lattice (e-l) interactions. Within this physical picture, novel polaron properties with no counterparts to results obtained from conventional tight-binding models are obtained. Our findings show that, depending on the systems width, the presence of SO coupling changes the polarons charge localization giving rise to different degrees of stability for the charge carrier. For instance, the joint action of SO coupling and e-l interactions could promote a slight increase on the charge concentration in the center of the lattice deformation associated to the polaron. As a straightforward consequence, this process of increasing stability would lead to a depreciation in the polarons motion by decreasing its saturation velocity. Our finds are in good agreement with recent experimental investigations for the charge localization in GNR, mostly when it comes to the influence of SO coupling. Moreover, the contributions reported here provide a reliable method for future works to evaluate spin-orbit influence on the performance of graphene nanoribbons.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
- da Silva, Gesiel GomesInstitute of Physics, University of Brasίlia, Brasίlia, Brazil; Goias Federal Institute of Science and Technology, IFG, Luziânia, Brazil (författare)
- de Sousa Jr, Rafael TimoteoDepartment of Electrical Engineering, University of Brasίlia, Brasίlia, Brazil (författare)
- de Almeida Fonseca, Antonio LucianoInstitute of Physics, University of Brasίlia, Brasίlia, Brazil (författare)
- da Cunha, Wiliam FerreiraInstitute of Physics, University of Brasίlia, Brasίlia, Brazil (författare)
- Magela e Silva, GeraldoInstitute of Physics, University of Brasίlia, Brasίlia, Brazil (författare)
- Linköpings universitetTeoretisk Fysik (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Scientific Reports: Nature Publishing Group82045-2322
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