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Electrostatic effects, band distortions, and superconductivity in twisted graphene bilayers

Bilayer graphene twisted by a small angle shows a significant charge modulation away from neutrality, as the charge in the narrow bands near the Dirac point is mostly localized in a fraction of the Moiré unit cell. The resulting electrostatic potential leads to a filling-dependent change in the low-...

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Pubblicato in:Proc Natl Acad Sci U S A
Autori principali: Guinea, Francisco, Walet, Niels R.
Natura: Artigo
Lingua:Inglês
Pubblicazione: National Academy of Sciences 2018
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC6310832/
https://ncbi.nlm.nih.gov/pubmed/30538203
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1810947115
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