Electronic band gap and transport in Fibonacci quasi-periodic graphene superlattice

Details Electronic band gap and transport in Fibonacci quasi-periodic graphene superlattice Electronic band gap and transport in Fibonacci quasi-periodic graphene superlattice

2011-11-07

arxiv.org/abs/1111.1754v1

Appl. Phys. Lett. 99, 182108 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 5 figures

Scientific paper

10.1063/1.3658394

We investigate electronic band gap and transport in Fibonacci quasi-periodic graphene superlattice. It is found that such structure can possess a zero-$\bar{k}$ gap which exists in all Fibonacci sequences. Different from Bragg gap, zero-$\bar{k}$ gap associated with Dirac point is less sensitive to the incidence angle and lattice constants. The defect mode appeared inside the zero-$\bar{k}$ gap has a great effect on transmission, conductance and shot noise, which can be applicable to control the electron transport.

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