HumanHair Bacteria Optic Layer Vanadate MultiLayerCeramicCapacitor Ni-FeAlloy CrAu Biology PFM piezoelectric force microscopy BCZT UnivCollegeLondon Celebration GalliumPhosphide fluorocarbon epitaxy HOPG mfm_amplitude AdhesionEnergy Praseodymium UnivOfMaryland Annealed Annealing Vacuum Pore SingleCrystal Gong Treatment self_assembly HfO2 Cell Display Flake Carbon