molecule ForceDistanceSpectroscopy Polyvinylidene_fluoride SRAM #EC Mapping 3-hexylthiophene Conductive AFM LowDensityPolyethylene aluminum_nitride StrontiumTitanate Optoelectonics Vanadate Aluminum KPFM optoelectronics Spain Blend DentalProsthesis MESA structure Growth PMNPT HighAcpectRatio UnivCollegeLondon Dimethicone Thermoplastic_polyurethane thermoplastic_elastomers DLaTGS hard_disk_media self_healing LateralForceMicroscopy polyvinyl acetate AtomicSteps India semifluorinated_alkanes