Dopped amplitude_modulation HighAspect BiVO4 Hafnium_dioxide domain_switching self-assembly piezoelectric force microscopy CVD hard_disk_media Hole FastScan OxideLayer TPU CastIron strontiu_titanate CuFoil MagneticPhase Strontium ItoGlass ForceMapping FrictionalForce NUS Oxide Gold Self-assembledMonolayer Indent Wang Modulus semifluorinated_alkane OpticalElement SolarCell Mosfet non_contact Materials