PinPointMode Tungsten_disulfide TemperatureControlledAFM small_scan SingleLayer Celebration molecule mfm_amplitude Domain semifluorinated alkane Hexylthiophene ChemicalCompound Galfenol SThM HACrystal ContactModeDots Yeditepe_University Piezoresponse PolycrystallineFerroelectricBCZT atomic_steps HiVacuum non_contact Alloy CP-AFM PECurve AmplitudeModulation Bismuth KPFM OxideLayer CrAu TempControl HexacontaneFilm domain_switching SelfAssembly Tin sulfide