PtfeMembrane GaN Wonseok University_of_Regensburg #Materials Cobalt-dopedIronOxide Melt InsulatorFilm BiasMode TungstenDeposition UnivCollegeLondon CntFilm blended polymers SRAM SrO SmalScan CalciumHydroxyapatite FM_KPFM HanyangUniv Pyroelectric Non-ContactMode MolybdenumDisulfide PolymerPatterns Au111 align Magnetic Force Microscopy KPFM Bacterium exfoliate Glass Calcite HfO2 contact I-VSpectroscopy SelfAssembly