Electronic states and Landau levels in graphene stacks
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- 21 June 2006
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 73 (24) , 245426
- https://doi.org/10.1103/physrevb.73.245426
Abstract
We analyze, within a minimal model that allows analytical calculations, the electronic structure and Landau levels of graphene multilayers with different stacking orders. We find, among other results, that electrostatic effects can induce a strongly divergent density of states in bilayers and trilayers, reminiscent of one-dimensional systems. The density of states at the surface of semi-infinite stacks, on the other hand, may vanish at low energies, or show a band of surface states, depending on the stacking order.Keywords
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