Oxidation Galfenol Celebration DOE LiNbO3 piezoelectric force microscopy TPU Nanostructure MetalCompound InorganicCompound Composition Phenanthrene Blood mechanical property Anneal Wafer Hexatriacontane Trench SoftSample Wildtype SelfAssembly Growth Crystal Granada CeramicCapacitor ChemicalCompound contact SThM ImideMonomer graphene_hybrid Tungsten_disulfide KAIST LiquidCell ring shape ScanningSpreadingResistanceMicroscopy