Optoelectronic FastScan Battery Reduction PECurve Co/Cr/Pt Resistance epitaxy Calcite IMT_Bucharest SetpointMode hetero_structure ScanningKelvinProbeMicroscopy TemperatureControlledAFM PinPointMode phase_change CBD PtfeMembrane ULCA hard_disk dielectric trench LateralForce SingleCrystal PUR Phosphide WPlug Bio CaMnO3 Pattern Composite Current Switching Holes lithography Film