molecule LiBattery Polyethylene Al2O3 HafniumDioxide Current AM-KPFM Nanotechnology Writing vertical_PFM Hole Vortex SICM BismuthVanadate Chloroform Worcester_Polytechnic_Institute SKKU Optic Dopped GalliumPhosphide Piezoelectric PinpointNanomechanicalMode AAO Silver FloppyDisk TriGlycineSulphate TemperatureControlledAFM thermal_property Pattern kelvin probe force microscopy CalciumHydroxyapatite Implant PECurve self-assembled_monolayer AM_SKPM