SoftSample ScanningSpreadingResistanceMicroscopy SFAs LateralForceMicroscopy OpticalModulator sputter Gong Sulfur Copper KevlarFiber ContactModeDot Perovskite Composition Hafnium_dioxide Nickel Fluoride FrictionalForceMicroscopy MetalCompound LogAmplifier polyvinyl acetate Temperature MeltingPoint kelvin probe force microscopy Aluminum Au111 Annealing Change DLaTGS SiWafer Polydimethylsiloxane Pore GlassTemp BoronNitride BismuthVanadate TappingMode