I-VSpectroscopy SKPM ScanningKelvinProbeMicroscopy OrganicSemiconductor Pvdf BFO alkanes Ca10(PO4)6(OH)2 WWafer Aluminum LiBattery Wang CuFoil Ananth Inorganic_Compound Graphite Led InsulatorFilm CompactDisk Heating FrequencyModulation hetero_structure Magnetic Force Microscopy Litho Forevision ContactModeDots HardDisk Wafer SoftSample Pinpoint FM_KPFM Indium_tin_oxide Bacterium Tungsten Molybdenum