ForceMapping Cobalt HBN PpLdpe Biofilm PtfeMembrane Adhesion flakes fifber Bacteria Tungsten_disulfide ContactMode Gallium_Arsenide plastic LeakageCurrent single_layer SThM UnivCollegeLondon Platinum Defect Fe_film PiezoelectricForceMicroscopy Oxide Carbon Step Thermoplastic_polyurethane cannabis UnivMaryland BCZT ForceVolumeImage chemical_compound Magnetic HydroGel margarine Praseodymium