MagneticPhase piezoelectric force microscopy ForceMapping FuelCell PatternedSapphireSubstrat Workfunction Film Steps Chromium SFAs KPFM Domain YttriaStabilizedZirconia Scanning_Thermal_Microscopy Device Non-ContactMode Mechinical EvatecAG mono_layer ContactModeDot fe_nd_b mechanical_property ForceVolumeImage LateralPFM light_emitting CeNSE_IISc high_resolution SelfAssembly Tungsten phase_change YszSubstrate LFM ThermalDetectors NtuEee LifeScience