ArticleNanomaterials (Basel, Switzerland)2022
Independent Dual-Channel Approach to Mesoscopic Graphene Transistors.
Article in Nanomaterials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Independent Channel Method for Lattice Thermal Conductance in Corrugated Graphene Ribbons.Nanomaterials (Basel, Switzerland) · 2025Article
- Flat-Band AC Transport in Nanowires.Nanomaterials (Basel, Switzerland) · 2024Article
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Authors and funding
3 authors.
Funding
Abstract
Graphene field-effect transistors (GFETs) exhibit unique switch and sensing features. In this article, GFETs are investigated within the tight-binding formalism, including quantum capacitance correction, where the graphene ribbons with reconstructed armchair edges are mapped into a set of independent dual channels through a unitary transformation. A new transfer matrix method is further developed to analyze the electron transport in each dual channel under a back gate voltage, while the electronic density of states of graphene ribbons with transversal dislocations are calculated using the retarded Green's function and a novel real-space renormalization method. The Landauer electrical conductance obtained from these transfer matrices was confirmed by the Kubo-Greenwood formula, and the numerical results for the limiting cases were verified on the basis of analytical results. Finally, the size- and gate-voltage-dependent source-drain currents in GFETs are calculated, whose results are compared with the experimental data.
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