Journal
APPLIED PHYSICS LETTERS
Volume 103, Issue 23, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4838557
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Funding
- Flemish Science Foundation (FWO-Vl)
- European Science Foundation (ESF) under the EUROCORES Program EuroGRAPHENE within the project CONGRAN
- Methusalem Foundation of the Flemish government
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An approach to observe snake states in a graphene Hall bar containing a pn-junction is proposed. The magnetic field dependence of the bend resistance in a ballistic graphene Hall bar structure containing a tilted pn-junction oscillates as a function of applied magnetic field. We show that each oscillation is due to a specific snake state that moves along the pn-interface. Furthermore, depending on the value of the magnetic field and applied potential, we can control the lead in which the electrons will end up and hence control the response of the system. (C) 2013 AIP Publishing LLC.
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