Polytetrafluoroethylene CrossSection CuFoil atomic_layer ShenYang Gong temp ThermalConductivity semifluorinated_alkanes DataStorage MagneticArray Barium_titanate silicon_oxide Pore Galfenol Flake Display Magnetic ForceVolumeImage PolymerPatterns molecular_self_assembly AtomicLayer ScanningIon-ConductanceMicroscopy Nanofiber Terrace EFM Praseodymium PFM Molybdenum_disulfide Polyethylene Hafnium_dioxide Microchannel SiWafer Dental hydrocarbon