Optical ScratchMode IVSpectroscopy Hair 2d_materials StyreneBeads Austenite LiquidCell kelvin probe force microscopy Hafnia Au111 Copper MolybdenumDisulfide Transparent Metal Self-assembledMonolayer Kevlar Conductive AFM mechanical property Beads Wang STO ElectroChemical temperature controller AFM MolecularSelfAssembly HiVacuum Bmp Microchannel EFMAmplitude Writing Silver FM_KPFM Magnets #Materials ThermalDetectors