AdhesionForce BreastCancerCell PMNPT Polyurethane Polyimide thermal_property Al2O3 Christmas FrictionalForceMicroscopy Jason Fiber polyvinyl acetate high_resolution Cross-section Tungsten Growth atomic_steps H-BN LaAlO3 PhaseImaging ScanningSpreadingResistanceMicroscopy Titanate Yeditepe ElectrostaticForceMicroscopy VinylAlcohol FastScan frequency_modulation ContactMode KPFM Cobalt AAO solar_cell SmallScan SrTiO3 AdhesionEnergy