Journal
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
Volume 246, Issue 11-12, Pages 2756-2759Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssb.200982284
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- ETH FIRST lab
- Swiss Science Foundation
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We experimentally investigate the conductance of a single-layer graphene ring. The Aharonov-Bohm oscillation amplitude of the four-terminal resistance is very high with a visibility up to 10%. Additionally, we investigate the amplitude and the period of the Aharonov-Bohm effect over a magnetic field range of +/-5 T. We find that, while the period remains constant, the amplitude rises by a factor of 2. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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