Permalloy piezoelectric force microscopy WWafer Lateral fluoroalkane ForceDistanceSpectroscopy Electrical&Electronics semifluorinated alkane FM-KPFM Butterfly Water StyreneBeads Fet Sic Polyaniline LightEmiting LiBattery light_emission BiFeO3 Phase Chrome flakes FloppyDisk Organic BoronNitride fluorocarbon Pore Tungsten LateralForceMicroscopy Piezoresponse Imprint Tin sulfide CeNSE_IISc Pinpoint Nanofiber