Sic LiNbO3 #EC temp_control LowDensityPolyethylene SRAM Thermoplastic_polyurethane alkanes PinpointPFM Nickel Ptfe Water Polyvinylidene_fluoride vertical_PFM Phase Edwin ScanningTunnelingMicroscopy ShenYang Copolymer PFM OxideLayer Copper PetruPoni_Institute C60H122 ForceMapping aluminum_nitride Roughness Kevlar DLaTGS MfmPhase Magnetic mechanical_property Pinpoint lithography MonoLayer