MagneticForceMicroscopy SSRM YszSubstrate Bismuth China Annealing temperature controller AFM non_contact Pvdf INSPParis chemical_compound Thermal Molybdenum AtomicLayer molecule Reading nanobar BFO H-BN Chloroform SurfaceOxidation Multiferroic_materials fifber Annealed PvdfFilm Fluoride food Fendb temperature_control STO Inorganic_Compound neodymium_magnets SKPM EvatecAG MetalCompound