Flake LogAmplifier molecular_beam mechanical property ThermalDetectors CP-AFM HanyangUniv electrospinning organic_polymer Led FrictionForce CopperFoil ItoGlass AmplitudeModulation FloppyDisk Kevlar Nanofiber C60H122 Calcite Iron Copolymer Ptfe Fluoride Moire SingleCrystal PvdfBead Hexatriacontane Scratch BFO self-assembly GaAs Metal-organicComplex Composite PolymerBlend LateralForceMicroscopy