BismuthFerrite non_contact ScanningThermalMicroscopy cross section Mechanical Hafnium_dioxide CBD Cell Sulfur Optical Aluminium_Oxide SoftSample CaMnO3 lithography MonoLayer Leakage CopperFoil BiVO4 Perovskite Pvdf AmplitudeModulation SetpointMode ConductingPolymer contact Defect OrganicCompound Solar ScratchMode ScanningIon-ConductanceMicroscopy ElectrostaticForceMicroscopy BTO FrictionForce Fluoride LiftMode TriGlycineSulphate