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Band narrowing and Mott localization in isotropically superstrained graphene

Craco, L., Carara, S. S. and Leoni, Stefano 2016. Band narrowing and Mott localization in isotropically superstrained graphene. Physical Review B 94 (16) , 165168. 10.1103/PhysRevB.94.165168

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We explore the effect of multiorbital electron-electron interactions in a two-dimensional monolayer made of elemental carbon. Using density functional dynamical mean-field theory (DFDMFT), we show that the interplay between one-particle band narrowing and sizable on-site interactions naturally stabilizes the Mott insulating state in isotropically superstrained graphene. Our theory is expected to be a key step to understanding both the ability of graphene to afford large strain deformations and the changes in electronic degrees of freedom of p -band Coulomb interacting electrons for the next generation of flexible electronics made of semiconductive graphene.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Publisher: American Physical Society
ISSN: 2469-9950
Date of First Compliant Deposit: 7 November 2016
Date of Acceptance: 26 November 2016
Last Modified: 06 Jun 2017 15:51

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