TipBiasMode Gallium Mosfet CVD piezoelectric force microscopy Gong Scratch Austenite EFMAmplitude Polyvinylidene_fluoride Sperm Metal-organicComplex Tungsten_disulfide PhaseImaging Sapphire ScratchMode hard_disk_media Zhi PvdfFilm CntFilm Terrace Fet Pipette Writing NCM NUS MagneticArray TriGlycineSulphate Mapping TungstenThinFilmDeposition MolecularSelfAssembly KAIST Beads Display Semiconductor