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TU Dresden » Faculty of Mechanical Science and Engineering » Institute for Materials Science » Chair of Materials Science and Nanotechnology

» presentations   » 2007.03.26-30

Fabry-Perot interference in graphene ribbons (HL 49.1 switched with TT 27.3)

M. del Valle, C. Tejedor, G. Cuniberti

Deutsche Physikalische Gesellschaft, AKF Frühjahrstagung 2007
German Physical Society, Spring Meeting 2007

2007.03.26-30; Regensburg, Germany

Graphene is in the focus of intense studies, as it represents an archetypal system for investigating low-dimensional quantum phenomena. Moreover, its topology results in a peculiar electronic structure with a massless dispersion near the Fermi level. Here we present a theoretical study on the Fabry-Perot interference patterns of graphene ribbons well contacted to external electrodes and capacitively coupled to a back gate. Our main focus comprises the effects of the orbital mixing between s and p bands and the role of defects.

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