kelvin probe force microscopy Domain Anneal Cancer hydrocarbon Permalloy CalciumHydroxyapatite Graphite ImideMonomer Typhimurium NiFe OpticalElement PVA ferromagnetic Polyvinylidene_fluoride Lattice LateralForceMicroscopy LiquidCrystal VerticalPFM Polyaniline Friction HBN MolybdenumDisulfide Electrical&Electronics TungstenDeposition STO StainlessSteel Formamidinium_lead_iodide Mechanical&nanotechnology C36H74 IRDetector Scanning_Thermal_Microscopy Materials HardDisk KevlarFiber