Transparent Defect Non-ContactMode YszSubstrate Gold MetalCompound MESA structure Pinpoint PFM PrCurve atomic_steps Fet EFM HACrystal Scanning_Thermal_Microscopy LowDensityPolyethylene Titanate AmplitudeModulation SrTiO3 pinpoint mode Litho light_emitting IIT-chennai NusEce GranadaUniv 2d_materials MultiLayerCeramicCapacitor CuSubstrate LightEmission HOPG Filter Global_Comm SmalScan IISCBangalore Optic HexacontaneFilm