940 citations
- International Iberian Nanotechnology LaboratoryPT65 papers
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13 papers · 2 filters
Propagation of surface plasmons on plasmonic Bragg gratings
A. J. Chaves, N. M. R. Peres
We use coupled-mode theory to describe the scattering of a surface-plasmon polariton (SPP) from a square wave grating (Bragg grating) of finite extension written on the surface of…
Enhanced lifetimes of spin chains coupled to chiral edge states
F. Delgado, J. Fernández-Rossier
We consider spin relaxation of finite-size spin chains exchanged coupled with a one dimensional (1D) electron gas at the edge of a Quantum Spin Hall (QSH) insulator. Spin lifetimes…
From Cyclic Nanorings to Single-Walled Carbon Nanotubes: Disclosing the Evolution of their Electronic Structure with the Help of Theoretical Methods
A. Pérez-Guardiola, R. Ortiz-Cano, M. E. Sandoval-Salinas +4
We systematically investigate the relationships between structural and electronic effects of finite size zigzag or armchair carbon nanotubes of various diameters and lengths, start…
Optical orientation with linearly polarized light in transition metal dichalcogenides
G. Catarina, J. Have, J. Fernández-Rossier +1
We study the optical properties of semiconducting transition metal dichalcogenide monolayers under the influence of strong out-of-plane magnetic fields, using the effective massive…
Excitons in hexagonal boron nitride single-layer: a new platform for polaritonics in the ultraviolet
F. Ferreira, A. J. Chaves, N. M. R. Peres +1
The electronic and optical properties of 2D hexagonal boron nitride are studied using first principle calculations. GW and BSE methods are employed in order to predict with better…
Interplay between interlayer exchange and stacking in CrI bilayers
D. Soriano, C. Cardoso, J. Fernández-Rossier
We address the interplay between stacking and interlayer exchange for ferromagnetically ordered CrI, both for bilayers and bulk. Whereas bulk CrI is ferromagnetic, both mag…