VortexCore PvdfFilm Aggregated_molecules heterojunctions Lanthanum_aluminate StainlessSteel HafniumDioxide Implant CBD YttriaStabilizedZirconia Leakage Tapping PMNPT Terrace conductive Sulfur Polymer suspended_graphene Nanostructure SAM ImideMonomer PetruPoni Dr.JurekSadowski Friction fluoroalkane contact PolyvinylAcetate FrictionalForce Silicon ScanningIon-ConductanceMicroscopy MoirePattern TemperatureControllerStage ring shape Step PVAC