Tungsten Yeditepe_University Chemical_Vapor_Deposition Workfunction PolymerPatterns SKPM SFAs Copolymer phase_change ConductiveAFM AM-KPFM FM-KPFM Led Monisha Hafnia heterojunctions TappingMode Titanate MoS2 Bismuth oxide_layer LiIonBattery SurfaceChange Fendb FrictionForce DomainSwitching Wildtype SurfaceOxidation Sio2 Praseodymium GaP OrganicSemiconductor AM_KPFM align Potential