2016/01/01 by Endre Tóvári, E. Tóvári, P. Makk +7 · 10 citations
Engineering · Materials Science · Physics and Astronomy · #Condensed matter physics #Electron #Enhanced Data Rates for GSM Evolution #Graphene #Graphene nanoribbons #Graphene quantum dot #Graphene research and applications #Landau quantization #Low-power high-performance VLSI design #Materials science #Physics #Quantum Hall effect #Quantum and electron transport phenomena #Quantum dot #Quantum mechanics #Quantum point contact #Quantum spin Hall effect #Quantum well #Ribbon #cond-mat.mes-hall
paper · pdf · doi:10.1039/c6nr00187d
published in Nanoscale 8(22), 11480-11486 (Royal Society of Chemistry)
openalex publication_date 2016/01/01 · arxiv created 2016/01/07 · arxiv updated 2016/06/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We report on the observation of periodic conductance oscillations near quantum Hall plateaus in suspended graphene nanoribbons. They are attributed to single quantum dots that are formed in the narrowest part of the ribbon, in the valleys and hills of a disorder potential. In a wide flake with two gates, a double-dot system's signature has been observed. Electrostatic confinement is enabled in single-layer graphene due to the gaps that are formed between the Landau levels, suggesting a way to create gate-defined quantum dots that can be accessed with quantum Hall edge states.