KPFM OrganicSemiconductor Wildtype MoS2 ScanningThermalMicroscopy mono_layer Molybdenum_disulfide cannabidiol Pipette Hysteresys 2dMaterials TemperatureControlledAFM HexagonalBoronNitride GranadaUniv IIT-chennai DataStorage Growth Oxide Photovoltaics Permalloy FM-KPFM Temperature EFM alkanes Wonseok Corrosion Subhajjit China PinpointPFM Reading Sulfur SmalScan PpLdpe #Materials conductive