NCM SThM Floppy SurfaceChange Piezoelectric CNT NeodymiumMagnets NanoLithography dichalcogenide temperature controller AFM Growth StyreneBeads Fujian biocompatible Conduct Iron Composite Neodymium non_contact PolyimideFilm ferromagnetic Protein Ferrite Defect NtuEee DNAProtein MagneticForceMicroscopy FuelCell SICM Kevlar FailureAnalysis polymeric_arrays SiliconOxide BiVO4 Magnets