447 citations · 1.8k across the 25 of their papers we have counts for
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cond-mat.mes-hall2009★ 25 cited
Dependence of quantum-Hall conductance on the edge-state equilibration position in a bipolar graphene sheet
Dong-Keun Ki, Seung-Geol Nam, Hu-Jong Lee +1
By using four-terminal configurations, we investigated the dependence of longitudinal and diagonal resistances of a graphene p-n interface on the quantum-Hall edge-state equilibrat…
cond-mat.mes-hall2009★ 9 cited
Observation of chiral quantum-Hall edge states in graphene
Dong-Keun Ki, Sanghyun Jo, Hu-Jong Lee
In this study, we determined the chiral direction of the quantum-Hall (QH) edge states in graphene by adopting simple two-terminal conductance measurements while grounding differen…
cond-mat.mes-hall2009★ 41 cited
Quantum Hall resistances of multiterminal top-gated graphene device
Dong-Keun Ki, Hu-Jong Lee
Four-terminal resistances, both longitudinal and diagonal, of a locally gated graphene device are measured in the quantum-Hall (QH) regime. In sharp distinction from previous two-t…