SurfaceChange Hole Electronics Phosphide SiliconOxide Ferrite DeoxyribonucleicAcid UnivCollegeLondon Alkane InsulatorFilm Iron PvdfBead AIN AM-KPFM ChemicalCompound ScanningTunnelingMicroscopy HighResolution Hexylthiophene Writing electrospinning Nanostructure optoelectronics Platinum SiliconCrystal Wang HfO2 MagneticPhase Flake hetero_structure CompactDisk Nanofiber Polyvinylidene Inorganic_Compound plastic Thermoplastic_polyurethane