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10 papers · 2 filters
Plasmons in graphene on uniaxial substrates
I. Arrazola, R. Hillenbrand, A. Yu. Nikitin
Placing graphene on uniaxial substrates may have interesting application potential for graphene-based photonic and optoelectronic devices. Here we analytically derive the dispersio…
Electronic and plasmonic phenomena at graphene grain boundaries
Z. Fei, A. S. Rodin, W. Gannett +13
Graphene, a two-dimensional honeycomb lattice of carbon atoms, is of great interest in (opto)electronics and plasmonics and can be obtained by means of diverse fabrication techniqu…
Strong plasmon reflection at nanometer-size gaps in monolayer graphene on SiC
Jianing Chen, Maxim L. Nesterov, Alexey Yu. Nikitin +12
We employ tip-enhanced infrared near-field microscopy to study the plasmonic properties of epitaxial quasi-free-standing monolayer graphene on silicon carbide. The near-field image…
Origin of two-dimensional electron gases at oxide interfaces: insights from theory
N C Bristowe, Philippe Ghosez, P B Littlewood +1
The response of oxide thin films to polar discontinuities at interfaces and surfaces has generated an enormous activity due to the variety of interesting effects it gives rise to.…
Knock-on damage in bilayer graphene: indications for a catalytic pathway
Jon Zubeltzu, Andrey Chuvilin, Fabiano Corsetti +2
We study by high-resolution transmission electron microscopy the structural response of bilayer graphene to electron irradiation with energies below the knock-on damage threshold o…
Acoustic plasmons in extrinsic free-standing graphene
M. Pisarra, A. Sindona, P. Riccardi +2
An acoustic plasmon is predicted to occur, in addition to the conventional two-dimensional (2D) plasmon, as the collective motion of a system of two types of electronic carriers co…