C60H122 Monisha DiffractiveOpticalElements MechanicalProperty 3-hexylthiophene FloppyDisk Wonseok suspended_graphene Corrosion Bacteria CuFoil UnivMaryland IcelandSpar Chrome Pyroelectric Deposition plastic Edwin thermoplastic_elastomers Cobalt-dopedIronOxide Scratch GlassTemperature gallium_nitride fe_nd_b PinpointPFM Insulator VortexCore ChemicalCompound Subhajjit Polytetrafluoroethylene Ptfe Steps Force-distance ULCA Terrace