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A phononic switch based on ferroelectric domain walls
Juan Antonio Seijas-Bellido, Carlos Escorihuela-Sayalero, Miquel Royo +4
The ease with which domain walls (DWs) in ferroelectric materials can be written and erased provides a versatile way to dynamically modulate heat fluxes. In this work we evaluate t…
The ferroelectric domain wall phonon polarizer
Miquel Royo, Carlos Escorihuela-Sayalero, Jorge Íñiguez +1
Modulating the polarization of a beam of quantum particles is a powerful method to tailor the macroscopic properties of the ensuing energy flux as it directly influences the way in…
Thermal conductivity changes across a structural phase transition: the case of high-pressure silica
Hugo Aramberri, Riccardo Rurali, Jorge Íñiguez
By means of first-principles calculations, we investigate the thermal properties of silica as it evolves, under hydrostatic compression, from a stishovite phase into a CaCl-typ…
Electron and phonon transport in twisted graphene nanoribbons
Aleandro Antidormi, Miquel Royo, Riccardo Rurali
We theoretically study the electrical, thermal and thermoelectric transport properties of graphene nanoribbons under torsional deformations. The modelling follows a nonequilibrium…