Atomic frustration-based twistronics
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1088/2053-1583/ac277f http://hdl.handle.net/11449/229736 |
Resumo: | We theoretically investigate atomic frustrated states in diatomic molecules hosted by the bilayer graphene setup twisted by the first magic angle and with broken inversion symmetry in the Dirac cones of the system mini Brillouin zones. Such states show local spectral features typically from uncoupled atoms, but counterintuitively, they also exhibit nonlocal molecular correlations, which turn them into atomically frustrated. By considering a particle-hole symmetric molecule in the Moiré superlattice length-scale, we reveal distinctly from the metallic Weyl counterparts, a molecular zero mode atomically frustrated at the spectral densities of the dimer's atoms. To this end, a strong metallic phase with a plateau in the density of states established by the broken inversion symmetry, together with pronounced blue and red shifts in the molecular levels, due to the magic angle condition, should occur synergistically with atomic Coulomb correlations. Consequently, an entire collapse of these molecular peaks into a single one atomically frustrated, taking place exactly at the Fermi energy, becomes feasible just by tuning properly opposite gate voltages attached to the graphene monolayers. Therefore, we propose that unusual molecular bindings can be engineered via the twistronics of the bilayer graphene system, in particular, if its metallic phase is fully established. |
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Repositório Institucional da UNESP |
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Atomic frustration-based twistronicsatomic frustrated stateMoiré superlatticetwistronicszero modeWe theoretically investigate atomic frustrated states in diatomic molecules hosted by the bilayer graphene setup twisted by the first magic angle and with broken inversion symmetry in the Dirac cones of the system mini Brillouin zones. Such states show local spectral features typically from uncoupled atoms, but counterintuitively, they also exhibit nonlocal molecular correlations, which turn them into atomically frustrated. By considering a particle-hole symmetric molecule in the Moiré superlattice length-scale, we reveal distinctly from the metallic Weyl counterparts, a molecular zero mode atomically frustrated at the spectral densities of the dimer's atoms. To this end, a strong metallic phase with a plateau in the density of states established by the broken inversion symmetry, together with pronounced blue and red shifts in the molecular levels, due to the magic angle condition, should occur synergistically with atomic Coulomb correlations. Consequently, an entire collapse of these molecular peaks into a single one atomically frustrated, taking place exactly at the Fermi energy, becomes feasible just by tuning properly opposite gate voltages attached to the graphene monolayers. Therefore, we propose that unusual molecular bindings can be engineered via the twistronics of the bilayer graphene system, in particular, if its metallic phase is fully established.São Paulo State University (Unesp) School of Engineering Department of Physics and Chemistry, SPInstituto de Física Universidade Federal Fluminense, NiteróiDepartment of Physics São Paulo State University (Unesp) IGCE, SPSão Paulo State University (Unesp) School of Engineering Department of Physics and Chemistry, SPDepartment of Physics São Paulo State University (Unesp) IGCE, SPUniversidade Estadual Paulista (UNESP)Universidade Federal Fluminense (UFF)Mizobata, W. N. [UNESP]Sanches, J. E. [UNESP]Penha, M. [UNESP]Silva, W. C. [UNESP]Carvalho, C. A. [UNESP]Figueira, M. S.De Souza, M. [UNESP]Seridonio, A. C. [UNESP]2022-04-29T08:35:34Z2022-04-29T08:35:34Z2021-10-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1088/2053-1583/ac277f2D Materials, v. 8, n. 4, 2021.2053-1583http://hdl.handle.net/11449/22973610.1088/2053-1583/ac277f2-s2.0-85117350233Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPeng2D Materialsinfo:eu-repo/semantics/openAccess2022-04-29T08:35:34Zoai:repositorio.unesp.br:11449/229736Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T16:20:30.529454Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Atomic frustration-based twistronics |
title |
Atomic frustration-based twistronics |
spellingShingle |
Atomic frustration-based twistronics Mizobata, W. N. [UNESP] atomic frustrated state Moiré superlattice twistronics zero mode |
title_short |
Atomic frustration-based twistronics |
title_full |
Atomic frustration-based twistronics |
title_fullStr |
Atomic frustration-based twistronics |
title_full_unstemmed |
Atomic frustration-based twistronics |
title_sort |
Atomic frustration-based twistronics |
author |
Mizobata, W. N. [UNESP] |
author_facet |
Mizobata, W. N. [UNESP] Sanches, J. E. [UNESP] Penha, M. [UNESP] Silva, W. C. [UNESP] Carvalho, C. A. [UNESP] Figueira, M. S. De Souza, M. [UNESP] Seridonio, A. C. [UNESP] |
author_role |
author |
author2 |
Sanches, J. E. [UNESP] Penha, M. [UNESP] Silva, W. C. [UNESP] Carvalho, C. A. [UNESP] Figueira, M. S. De Souza, M. [UNESP] Seridonio, A. C. [UNESP] |
author2_role |
author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) Universidade Federal Fluminense (UFF) |
dc.contributor.author.fl_str_mv |
Mizobata, W. N. [UNESP] Sanches, J. E. [UNESP] Penha, M. [UNESP] Silva, W. C. [UNESP] Carvalho, C. A. [UNESP] Figueira, M. S. De Souza, M. [UNESP] Seridonio, A. C. [UNESP] |
dc.subject.por.fl_str_mv |
atomic frustrated state Moiré superlattice twistronics zero mode |
topic |
atomic frustrated state Moiré superlattice twistronics zero mode |
description |
We theoretically investigate atomic frustrated states in diatomic molecules hosted by the bilayer graphene setup twisted by the first magic angle and with broken inversion symmetry in the Dirac cones of the system mini Brillouin zones. Such states show local spectral features typically from uncoupled atoms, but counterintuitively, they also exhibit nonlocal molecular correlations, which turn them into atomically frustrated. By considering a particle-hole symmetric molecule in the Moiré superlattice length-scale, we reveal distinctly from the metallic Weyl counterparts, a molecular zero mode atomically frustrated at the spectral densities of the dimer's atoms. To this end, a strong metallic phase with a plateau in the density of states established by the broken inversion symmetry, together with pronounced blue and red shifts in the molecular levels, due to the magic angle condition, should occur synergistically with atomic Coulomb correlations. Consequently, an entire collapse of these molecular peaks into a single one atomically frustrated, taking place exactly at the Fermi energy, becomes feasible just by tuning properly opposite gate voltages attached to the graphene monolayers. Therefore, we propose that unusual molecular bindings can be engineered via the twistronics of the bilayer graphene system, in particular, if its metallic phase is fully established. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-10-01 2022-04-29T08:35:34Z 2022-04-29T08:35:34Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1088/2053-1583/ac277f 2D Materials, v. 8, n. 4, 2021. 2053-1583 http://hdl.handle.net/11449/229736 10.1088/2053-1583/ac277f 2-s2.0-85117350233 |
url |
http://dx.doi.org/10.1088/2053-1583/ac277f http://hdl.handle.net/11449/229736 |
identifier_str_mv |
2D Materials, v. 8, n. 4, 2021. 2053-1583 10.1088/2053-1583/ac277f 2-s2.0-85117350233 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
2D Materials |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128635458027520 |