| Full text | |
| Author(s): |
Total Authors: 3
|
| Affiliation: | [1] Univ Prebiteriana Mackenzie, MackGraphe Gmphene & Nanomat Res Ctr, Rua Consolacao 896, BR-01302907 Sao Paulo, SP - Brazil
[2] Univ Autonoma Madrid, Inst Nicolas Cabrera, Dept Fis Mat Condensada, E-28049 Madrid - Spain
[3] Univ Autonoma Madrid, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid - Spain
[4] CSIC, Inst Ciencias Mat Madrid, Dept Teoria & Simulac Mat, E-28049 Madrid - Spain
Total Affiliations: 4
|
| Document type: | Journal article |
| Source: | NANOSCALE; v. 12, n. 28, p. 15383-15392, JUL 28 2020. |
| Web of Science Citations: | 6 |
| Abstract | |
The transport properties of a twisted bilayer graphene barrier are investigated for various twist angles. Remarkably, for small twist angles around the magic angle theta(m)similar to 1.05 degrees, the local currents around the AA-stacked regions are strongly enhanced compared to the injected electron rate. Furthermore, the total and counterflow (magnetic) current patterns show high correlations in these regions, giving rise to well-defined magnetic moments that form a magnetic Moire superlattice. The orientation and magnitude of these magnetic moments change as a function of the gate voltage and possible implications for emergent spin-liquid behaviour are discussed. (AU) | |
| FAPESP's process: | 15/11779-4 - Plasmonic and nonlinear effects in graphene coupled to optical waveguides |
| Grantee: | Christiano José Santiago de Matos |
| Support type: | Research Projects - Thematic Grants |
| FAPESP's process: | 18/07276-5 - Mid- and far-infrared plasmonic biosensing with graphene |
| Grantee: | Christiano José Santiago de Matos |
| Support type: | Regular Research Grants |