electrospinning ULCA Non-ContactMode FAFailureAnlaysis SmallScan Gallium sputter RedBloodCell ScanningKelvinProbeMicroscopy CNT lift_mode University_of_Regensburg Potential LogAmplifier Lateral_Force_Microscopy Protein SiliconOxide temperature_control InLiquid Molybdenum Hafnium_dioxide LiquidImaging Sperm Semiconductor Spain Chromium Electrode 2dMaterials TemperatureControlledAFM Electrical&Electronics Ferrite BiasMode PhaseImaging EFM PFM