ConductingPolymer Ram Inorganic_Compound conductive light_emitting vertical_PFM tip_bias_mode BismuthVanadate AIN KevlarFiber Imprint Polystyrene TriGlycineSulphate LDPE contact PvdfBead Vinylpyridine Ferroelectric exfoliate WS2 Sadowski UnivMaryland VerticalPFM Water BTO Polyurethane Change CarbonNanotube Nanofiber amplitude_modulation CompactDisk Biofilm molecule CrossSection Varistor