| Texto completo | |
| Autor(es): |
Manesco, A. L. R.
[1, 2]
;
Lado, J. L.
[3]
;
Ribeiro, E. V. S.
[2]
;
Weber, G.
[2]
;
Rodrigues Jr, D.
Número total de Autores: 5
|
| Afiliação do(s) autor(es): | [1] Delft Univ Technol, Kavli Inst Nanosci, POB 4056, NL-2600 GA Delft - Netherlands
[2] Univ Sao Paulo, Lorena Engn Sch, Lorena - Brazil
[3] Aalto Univ, Dept Appl Phys, Espoo - Finland
Número total de Afiliações: 3
|
| Tipo de documento: | Artigo Científico |
| Fonte: | 2D MATERIALS; v. 8, n. 1 JAN 2021. |
| Citações Web of Science: | 0 |
| Resumo | |
Electronic correlations stemming from nearly flat bands in van der Waals materials have demonstrated to be a powerful playground to engineer artificial quantum matter, including superconductors, correlated insulators and topological matter. This phenomenology has been experimentally observed in a variety of twisted van der Waals materials, such as graphene and dichalcogenide multilayers. Here we show that spontaneously buckled graphene can yield a correlated state, emerging from an elastic pseudo Landau level. Our results build on top of recent experimental findings reporting that, when placed on top of hBN or NbSe2 substrates, wrinkled graphene sheets relax forming a periodic, long-range buckling pattern. The low-energy physics can be accurately described by electrons in the presence of a pseudo-axial gauge field, leading to the formation of sublattice-polarized Landau levels. Moreover, we verify that the high density of states at the zeroth Landau level leads to the formation of a periodically modulated ferrimagnetic groundstate, which can be controlled by the application of external electric fields. Our results indicate that periodically strained graphene is a versatile platform to explore emergent electronic states arising from correlated elastic Landau levels. (AU) | |
| Processo FAPESP: | 19/07082-9 - Física de junções grafeno/supercondutor |
| Beneficiário: | Antonio Lucas Rigotti Manesco |
| Modalidade de apoio: | Bolsas no Exterior - Estágio de Pesquisa - Doutorado Direto |
| Processo FAPESP: | 16/10167-8 - Investigação de propriedades eletrônicas e topológicas de heterojunções supercondutor-grafeno para aplicações em dispositivos de computação quântica |
| Beneficiário: | Antonio Lucas Rigotti Manesco |
| Modalidade de apoio: | Bolsas no Brasil - Doutorado Direto |