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Edge magnetotransport fingerprints in disordered graphene nanoribbons

descriptionPublicationkeyboard_double_arrow_right Article 30 Jul 2010 France, Spain English Publisher:American Physical Society (APS)Journal:Physical Review B, volume 82 (issn: 1098-0121, eissn: 1550-235X, Copyright policy )Funded by:EC | EUROMAGNET II
Authors: Poumirol, Jean-Marie; Cresti, A.; Roche, S.; Escoffier, Walter; Goiran, Michel; Wang, X.R.; Li, X.L.; +2 Authors

doi: 10.1103/physrevb.82.041413

handle: 10261/44541

Edge magnetotransport fingerprints in disordered graphene nanoribbons

Abstract

We report on (magneto)transport experiments in chemically derived narrow graphene nanoribbons under high magnetic fields (up to 60 T). Evidences of field-dependent electronic confinement are given and allow estimating the possible ribbon edge symmetry. A large positive magnetoconductance indicates a strong suppression of backscattering induced by the magnetic field. Such scenario is supported by tight-binding calculations which consider different types of underlying disorders (smooth edge disorder and long-range Coulomb scatterers).

Part of this work was supported by EuroMagNET, Contract No. 228043. S.R. acknowledges the ANR/P3N2009 (Project No. ANR-09-NANO-016-01).

4 páginas, 4 figuras.-- PACS number(s): 72.80.Vp, 73.22.Pr, 75.47.-m.-- et al.

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Keywords

[PHYS.COND.CM-S] Physics [physics]/Condensed Matter [cond-mat]/Superconductivity [cond-mat.supr-con]

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
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