domain_switching semifluorinated_alkanes vertical_PFM contact Au111 Molybdenum_disulfide F14H20 self_healing Corrosion LiquidCrystal CeramicCapacitor ScratchMode LogAmplifier Al2O3 Praseodymium HiVacuum BreastCancerCell Chrome amplitude_modulation Hydroxyapatite Hafnium_dioxide Piezo LiBattery Mechanical ForceMapping I-VSpectroscopy Dopped TransitionMetal Biofilm PpLdpe EFM Morphology LateralPFM atomic_layer Ito