Journal
EUROPEAN PHYSICAL JOURNAL B
Volume 64, Issue 2, Pages 249-255Publisher
SPRINGER
DOI: 10.1140/epjb/e2008-00309-4
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Funding
- National Science Council in Taiwan [NSC-95-2112-M-390-002-MY3]
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This study uses the tight-binding model to examine the ballistic transport of short and infinitely long bilayer nano-graphite ribbons for different stacked structures, AA and AB, under perpendicularly applied gate and magnetic fields. In the small bias region, the conduction of the AB-stacked ribbon is better than for the AA. Under a gate field with small bias, the AB-stacked ribbon exhibits a significant current peak at the zero gate field point, similar to the graphene ribbon. On the contrary, this current peak is not found in the AA-stacked case. Under a perpendicular magnetic field with small bias, the magnetoresistance ratio in both stacked graphene ribbons are proportional to the square of the magnetic field.
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