Calcite ShenYang Iron mono_layer Forevision PetruPoni strontiu_titanate sputter DataStorage VerticalPFM Mechinical plastic HighAcpectRatio Nanopattern piezoelectric force microscopy light_emitting Christmas SelfAssembly Aluminium_Oxide Pinpoint PFM Chemical_Vapor_Deposition Sapphire TipBiasMode ImideMonomer Indent OxideLayer PatternedSapphireSubstrat Pattern Deposition Collagen Water HanyangUniv Cobalt-dopedIronOxide Ptfe Hexatriacontane