QUANTUM MATERIALS AND DEVICES SEMINARS: Superconductivity in graphene-based systems

Graphene is known for many of its exotic electronic properties linked to its Dirac-type dispersion at low doping. Until quite recently, superconductivity was missing from the list of those properties. I will show how this is a natural consequence of the vanishing density of states at the Dirac points, and how the situation can be cured in different types of graphene-based systems exhibiting asymptotic flat bands. In my talk I will in explore the different scenarios of band flattening and the associated inhomogeneous superconductivity arising in twisted bilayer graphene, periodically strained graphene and ABC stacked graphene. All of them have recently demonstrated to exhibit correlated electronic states, and among them superconductivity.

Host: Miguel A. Cazalilla

ZOOM: https://dipc-org.zoom.us/meeting/register/tZAqceGqrzMqE9fPWdhzaKxoIscCspVlFJ4Y


Online Seminar, Donostia International Physics Center


Tero T. Heikkilä, Department of Physics Nanoscience Center, University of Jyväskylä, Finland

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