Design of electron wave filters in monolayer graphene by tunable transmission gap

Details Design of electron wave filters in monolayer graphene by tunable transmission gap Design of electron wave filters in monolayer graphene by tunable transmission gap

2009-07-02

arxiv.org/abs/0907.0331v1

Appl. Phys. Lett. 94, 262102 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 5 figures

Scientific paper

10.1063/1.3168527

We have investigated the transmission in monolayer graphene barrier at nonzero angle of incidence. Taking the influence of parallel wave vector into account, the transmission as the function of incidence energy has a gap due to the evanescent waves in two cases of Klein tunneling and classical motion. The modulation of the transmission gap by the incidence angle, the height, and width of potential barrier may lead to potential applications in graphene-based electronic devices.

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