Tapping MagneticForce atomic_layer CuFoil 3-hexylthiophene Nanopattern Hexylthiophene doped Fe_film CrossSection PVA PFM molecule VortexCore GaP F14H20 LaAlO3 Cobalt-dopedIronOxide Zhi Scratch Organic Reading Electrode Kevlar Lift Cancer Vanadate Morphology light_emitting ScanningThermalMicroscopy PolyvinylAcetate Yeditepe_University Scanning_Thermal_Microscopy organic_polymer NeodymiumMagnets