Spain ScanningTunnelingMicroscopy KevlarFiber FAFailureAnlaysis LogAmplifier LiNbO3 strontiu_titanate LeakageCurrent atomic_steps NtuEee KAIST SRAM Nanotechnology PinpointPFM GaP BCZT UnivMaryland BFO silicon_carbide Treatment StainlessSteel PtfeMembrane Metal semifluorinated_alkanes mono_layer UnivOfMaryland Phosphide OxideLayer VortexCore ring shape HydroGel Ceramics aluminum_nitride ScanningThermalMicroscopy Co/Cr/Pt