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Graphene bilayers with a twist

Andrei, Eva Y ; MacDonald, Allan H

Nature materials, 2020-12, Vol.19 (12), p.1265-1275 [Periódico revisado por pares]

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Título:
Graphene bilayers with a twist
Autor: Andrei, Eva Y ; MacDonald, Allan H
Assuntos: Bilayers ; Carrier density ; Condensed-matter physics ; Correlation ; Fermi liquids ; Graphene ; Low temperature ; Magnetism ; MATERIALS SCIENCE ; Nanoscience and technology ; Questions ; Superconductivity
É parte de: Nature materials, 2020-12, Vol.19 (12), p.1265-1275
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-3
content type line 23
ObjectType-Review-1
USDOE Office of Science (SC), Basic Energy Sciences (BES)
FG02-99ER45742; FG02-02ER45958; TBF1473
Welch Foundation
Descrição: Near a magic twist angle, bilayer graphene transforms from a weakly correlated Fermi liquid to a strongly correlated two-dimensional electron system with properties that are extraordinarily sensitive to carrier density and to controllable environmental factors such as the proximity of nearby gates and twist-angle variation. Among other phenomena, magic-angle twisted bilayer graphene hosts superconductivity, interaction-induced insulating states, magnetism, electronic nematicity, linear-in-temperature low-temperature resistivity and quantized anomalous Hall states. We highlight some key research results in this field, point to important questions that remain open and comment on the place of magic-angle twisted bilayer graphene in the strongly correlated quantum matter world.
Editor: England: Nature Publishing Group
Idioma: Inglês

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