Resistance Mechanical&nanotechnology Flake Hafnia FrictionForce Biofilm Litho PtfeMembrane SiliconOxide CrossSection Bacteria polymeric_arrays OpticalWaveguide Subhajjit Ceramic neodymium_magnets FrequencyModulation DNA Genetic Leakage ScratchMode Reduction ferromagnetic Ucl PolyvinylideneFluoride Blood FastScan dielectric_trench NanoLithography PiezoelectricForceMicroscopy tip_bias_mode Step PMNPT CopperFoil EFMAmplitude