solar_cell conductive mechanical property C_AFM AdhesionEnergy TungstenThinFilmDeposition Platinum UnivCollegeLondon mechanical_property VinylAlcohol Potential Chloroform temperature controller AFM HighResolution Mfm TyphimuriumBiofilm STM ScanningTunnelingMicroscopy Nanofiber mfm_amplitude ferromagnetic SetpointMode thermal_property Leakage Nickel INSP Strontium pulsed_laser_deposition Iron StrontiumTitanate block_copolymer Al2O3 TiO2 high_resolution Lift