Adhesion FM_SKPM Graphene MechanicalProperties WWafer Modulus PtfeMembrane fluorocarbon Piezo Nickel FFM LateralForceMicroscopy Steps fluoroalkane align BismuthVanadate Silver Sulfur LiBattery Ito H-BN Multiferroic_materials Polystyrene Inorganic_Compound ReflexLens Layer SrTiO3 ScanningSpreadingResistanceMicroscopy GranadaUniv IMT_Bucharest InLiquid PS_LDPE DeflectionOptics CaMnO3 SrO