Alkane DiffractiveOpticalElements Hexylthiophene ContactModeDot StyreneBeads Polyvinylidene FM-KPFM Device Mosfet HiVacuum Fet Terrace YszSubstrate PVA Polystyrene Formamidinium_lead_iodide Hafnium_dioxide IIT-chennai WWafer semifluorinated alkane temp_control PinPointMode Dopped KPFM UnivCollegeLondon InorganicCompound Filter IVSpectroscopy Typhimurium molecular_self_assembly Melt SRAM Self-assembledMonolayer UnivMaryland atomic_steps