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Type: Artigo de periódico
Title: Tunable resonances due to vacancies in graphene nanoribbons
Author: Bahamon, DA
Pereira, ALC
Schulz, PA
Abstract: The coherent electron transport along zigzag and metallic armchair graphene nanoribbons in the presence of one or two vacancies is investigated. Having in mind atomic scale tunability of the conductance fingerprints, the primary focus is on the effect of the distance to the edges and intervacancies spacing. An involved interplay of vacancies sublattice location and nanoribbon edge termination, together with the spacing parameters lead to a wide conductance resonance line-shape modification. Turning on a magnetic field introduces a new length scale that unveils counterintuitive aspects of the interplay between purely geometric aspects of the system and the underlying atomic scale nature of graphene.
Country: EUA
Editor: Amer Physical Soc
Citation: Physical Review B. Amer Physical Soc, v. 82, n. 16, 2010.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.82.165438
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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