PFM Grain PUR Blood Switching molecules Piezo AM_KPFM Typhimurium DeoxyribonucleicAcid tip_bias_mode Multiferroic_materials VerticalPFM food pulsed_laser_deposition LiftMode Anneal HexacontaneFilm Workfunction Dopped Pattern OpticalElement Holes PolyimideFilm ForceVolume TemperatureControlledAFM BiFeO3 Reading BismuthFerrite CeNSE_IISc Treatment Phosphide GaP Solution fluoroaalkane