Search Results - "Guinea, Francisco"
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Electrostatic effects, band distortions, and superconductivity in twisted graphene bilayers
Published in Proceedings of the National Academy of Sciences - PNAS (26-12-2018)“…Bilayer graphene twisted by a small angle shows a significant charge modulation away from neutrality, as the charge in the narrow bands near the Dirac point is…”
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2
Artificial honeycomb lattices for electrons, atoms and photons
Published in Nature nanotechnology (01-09-2013)“…Artificial honeycomb lattices offer a tunable platform for studying massless Dirac quasiparticles, and their topological and correlated phases. Artificial…”
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3
Purcell-like Enhancement of Electron–Phonon Interactions in Long-Period Superlattices: Linear-Temperature Resistivity and Cooling Power
Published in Nano letters (22-09-2021)“…In the Purcell effect, the efficiency of optical emitters is enhanced by reducing the optical mode volume. Here we predict an analogous enhancement for…”
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4
Polaritons in layered two-dimensional materials
Published in Nature materials (01-02-2017)“…In recent years, enhanced light–matter interactions through a plethora of dipole-type polaritonic excitations have been observed in two-dimensional (2D)…”
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5
Plasmons and screening in monolayer and multilayer black phosphorus
Published in Physical review letters (05-09-2014)“…Black phosphorus exhibits a high degree of band anisotropy. However, we find that its in-plane static screening remains relatively isotropic for momenta…”
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Theory of strain in single-layer transition metal dichalcogenides
Published in Physical review. B, Condensed matter and materials physics (05-11-2015)Get full text
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7
Damping pathways of mid-infrared plasmons in graphene nanostructures
Published in Nature photonics (01-05-2013)“…Plasmon is the quantum of the collective oscillation of electrons. How plasmon loses its energy (or damping) plays a pivotal role in plasmonic science and…”
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8
Electrically Controllable Magnetism in Twisted Bilayer Graphene
Published in Physical review letters (05-09-2017)“…Twisted graphene bilayers develop highly localized states around AA-stacked regions for small twist angles. We show that interaction effects may induce either…”
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9
Generation of pure bulk valley current in graphene
Published in Physical review letters (23-01-2013)“…The generation of valley current is a fundamental goal in graphene valleytronics but no practical ways of its realization are known yet. We propose a workable…”
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10
Local Strain Engineering in Atomically Thin MoS2
Published in Nano letters (13-11-2013)“…Controlling the bandstructure through local-strain engineering is an exciting avenue for tailoring optoelectronic properties of materials at the nanoscale…”
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11
Increasing the elastic modulus of graphene by controlled defect creation
Published in Nature physics (01-01-2015)“…Defects are often introduced to increase the stiffness of three-dimensional materials. Evidence now suggests that the elastic modulus of two-dimensional…”
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12
Orthogonality catastrophe and Kondo effect in graphene
Published in Physical review. B, Condensed matter and materials physics (10-09-2007)Get full text
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13
Enhanced superconductivity in atomically thin TaS2
Published in Nature communications (17-03-2016)“…The ability to exfoliate layered materials down to the single layer limit has presented the opportunity to understand how a gradual reduction in dimensionality…”
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14
Heterostrain Determines Flat Bands in Magic-Angle Twisted Graphene Layers
Published in Physical review letters (17-09-2021)“…The moiré of twisted graphene bilayers can generate flat bands in which charge carriers do not possess enough kinetic energy to escape Coulomb interactions…”
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15
Electric-Field Screening in Atomically Thin Layers of MoS2: the Role of Interlayer Coupling
Published in Advanced materials (Weinheim) (13-02-2013)“…The electrostatic screening in single and few‐layer MoS2 sheets is studied. Electrostatic force microscopy is used to probe the electric field generated by…”
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16
Electronic structure of spontaneously strained graphene on hexagonal boron nitride
Published in Physical review. B, Condensed matter and materials physics (29-09-2014)“…Hexagonal boron nitride substrates have been shown to dramatically improve the electric properties of graphene. Recently, it has been observed that when the…”
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17
Random Strain Fluctuations as Dominant Disorder Source for High-Quality On-Substrate Graphene Devices
Published in Physical review. X (01-10-2014)“…We perform systematic investigations of transport through graphene on hexagonal boron nitride (hBN) substrates, together with confocal Raman measurements and a…”
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18
Inverse Funnel Effect of Excitons in Strained Black Phosphorus
Published in Physical review. X (01-09-2016)“…We study the effects of strain on the properties and dynamics of Wannier excitons in monolayer (phosphorene) and few-layer black phosphorus (BP), a promising…”
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Electronic properties of single-layer and multilayer transition metal dichalcogenides MX2 (M = Mo, W and X = S, Se)
Published in Annalen der Physik (01-10-2014)“…Single‐ and few‐layer transition metal dichalcogenides have recently emerged as a new family of layered crystals with great interest , not only from the…”
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20
Spin-valley relaxation and quantum transport regimes in two-dimensional transition-metal dichalcogenides
Published in Physical review. B, Condensed matter and materials physics (22-12-2014)“…Quantum transport and spintronics regimes are studied in p- and n-doped atomic layers of hexagonal transition-metal dichalcogenides (TMDCs), subject to the…”
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