Seminarium Fizyki Materii Skondensowanej

Graphene's unique properties seem promising for various applications, butin any active device, the layer must interact with the surroundingenvironment which usually perturbs the intrinsic features. On the otherhand, the substrate-induced modifications can be useful to tailor theproperties for desired purposes. For example, combining graphene andtwo-dimensional hexagonal boron nitride (h-BN) allows one to constructmultilayers with electronic properties tunable by electric field effect ina wide range, in particular the transition from exactly linear dispersionto the band-gap opened in the spectrum can be achieved for specificconfiguration. In case of graphene weakly interacting with metallicsurface we have shown, both theoretically and experimentally, that someproperties, such as doping level, can be varied spatially by local changesin the structure of the substrate.