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10 papers
Mid-Infrared Plasmonic Biosensing with Graphene
Daniel Rodrigo, Odeta Limaj, Davide Janner +4
Infrared spectroscopy is the technique of choice for chemical identification of biomolecules through their vibrational fingerprints. However, infrared light interacts poorly with n…
Optical properties of V2O3 in its whole phase diagram
I. Lo Vecchio, L. Baldassarre, F. D'Apuzzo +7
Vanadium sesquioxide V2O3 is considered a textbook example of Mott-Hubbard physics. In this paper we present an extended optical study of its whole temperature/doping phase diagram…
Plasmon-phonon interactions in topological insulator rings
Marta Autore, Fausto D'Apuzzo, Alessandra Di Gaspare +8
The great potential of Dirac electrons for plasmonics and photonics has been readily recognized after their discovery in graphene, followed by applications to smart optical devices…
Infrared evidence of a Slater metal-insulator transition in NaOsO3
Irene Lo Vecchio, Andrea Perucchi, Paola Di Pietro +6
The magnetically driven metal-insulator transition (MIT) was predicted by Slater in the fifties. Here a long-range antiferromagnetic (AF) order can open up a gap at the Brillouin e…
Observation of Dirac plasmons in a topological insulator
P. Di Pietro, M. Ortolani, O. Limaj +9
Plasmons are the quantized collective oscillations of electrons in metals and doped semiconductors. The plasmons of ordinary, massive electrons are since a long time basic ingredie…
An extended infrared study of the (p,T) phase diagram of the p-doped Cu-O plane
D. Nicoletti, P. Di Pietro, O. Limaj +5
The ab-plane optical conductivity of eleven single crystals, belonging to the families Sr2-xCuO2Cl2, Y1-xCaxBa2Cu3O6, Bi2Sr2-xLaxCuO6, and Bi2Sr2CaCu2O8 has been measured with hole…