temperature controller AFM fluorocarbon Boundary ThermalDetectors Lateral ContactModeDots Vanadate FAPbI3 domain_switching Bmp PiezoelectricForceMicroscopy DIWafer STO ThinFilm Global_Comm PhaseChange HydroGel Self-assembledMonolayer SingleLayer Optic TemperatureControlledAFM MolybdenumDisulfide TPU AEAPDES Piezo PhaseImaging SThM fluoroalkane Solution AAO CrAu BiasMode molecules Gold Iron