neodymium_magnets Calcium Hair Nanofiber mechanical property MagneticArray TransitionMetal #EC China Step Zagreb SurfaceChange Glass ConductiveAFM ChemicalCompound Ni81Fe19 gallium_nitride small_scan Bacteria MultiLayerCeramicCapacitor Chemical Vapor Deposition Leakage AAO FrictionalForceMicroscopy SelfAssembly Hydroxyapatite Ceramics MetalCompound rubber LightEmiting Ram Current Switching NUS_NNI_Nanocore OrganicSemiconductor