MfmAmplitude self_assembly Dr.JurekSadowski AM-KPFM HexagonalBN Lift Tapping MetalCompound LowDensityPolyethylene HDD neodymium_magnets ContactMode Spincast GaN BCZT HfO2 ScanningKelvinProbeMicroscopy TCS bias_mode Pvdf Blend MoS2 LiftMode mechanical_property nanomechanical small_scan Indent HardDisk Electrode StyreneBeads Growth Plug Ceramic non_contact ThinFilm