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arXiv · 0806.2319

Evidence of Klein tunneling in graphene p-n junctions

N. Stander·B. Huard·D. Goldhaber-Gordon
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Abstract

Transport through potential barriers in graphene is investigated using a set of metallic gates capacitively coupled to graphene to modulate the potential landscape. When a gate-induced potential step is steep enough, disorder becomes less important and the resistance across the step is in quantitative agreement with predictions of Klein tunneling of Dirac fermions up to a small correction. We also perform magnetoresistance measurements at low magnetic fields and compare them to recent predictions.

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N. Stander, B. Huard, D. Goldhaber-Gordon. 2008-11-30. Evidence of Klein tunneling in graphene p-n junctions. https://doi.org/10.1103/physrevlett.102.026807

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