Charge confinement and Klein tunneling from doping graphene

Details Charge confinement and Klein tunneling from doping graphene Charge confinement and Klein tunneling from doping graphene

2012-02-14

arxiv.org/abs/1202.3115v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

11 pages, 5 figures

Scientific paper

In the present work, we investigate how structural defects in graphene can change its transport properties. In particular, we show that breaking of the sublattice symmetry in a graphene monolayer overcomes the Klein effect, leading to confined states of massless Dirac fermions. Experimentally, this corresponds to chemical bonding of foreign atoms to carbon atoms, which attach themselves to preferential positions on one of the two sublattices. In addition, we consider the scattering off a tensor barrier, which describes the rotation of the honeycomb cells of a given region around an axis perpendicular to the graphene layer. We demonstrate that in this case the intervalley mixing between the Dirac points emerges, and that Klein tunneling occurs.

Affiliated with

Also associated with

No associations

Rating

Charge confinement and Klein tunneling from doping graphene does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Charge confinement and Klein tunneling from doping graphene, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Charge confinement and Klein tunneling from doping graphene will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-90259