ContactMode Gong TyphimuriumBiofilm PatternedSapphireSubstrat LowDensityPolyethylene InsulatorFilm DentalProsthesis Barium_titanate atomic_layer KPFM UTEM Global_Comm BariumTitanate GalliumPhosphide Iron Boundary HumanHair Fujian PS_LDPE VerticalPFM Topography Thermal WS2 Biology Sio2 FrictionForce Hole neodymium_magnets BismuthVanadate YttriaStabilizedZirconia Indent AdhesionForce GaP BreastCancerCell LMF