VortexCore Sulfur heterojunctions PinPointMode STM Thermoplastic_polyurethane Copolymer Adhesion ULCA CarbonNanotube Beads FM-KPFM Gold Resistance BloodCell membrane ScanningIon-ConductanceMicroscopy GranadaUniv NUS_Physics Mapping Bio Microchannel NCM Roughness Neodymium Varistor Temperature BismuthFerrite MfmPhase AmplitudeModulation CntFilm PVAC Mobile Conducting SoftSample