Patterns CntFilm gallium_nitride Sulfur PvdfFilm Cross-section Spain Ucl Hafnium_dioxide Worcester_Polytechnic_Institute WWafer ferromagnetic Magnets Epoxy BFO HanyangUniv suspended_graphene Defects Ni81Fe19 Metal MechanicalProperty DiffractiveOpticalElements Liquid organic_polymer Alkane PFM Fet Nanotechnology HafniumDioxide UnivCollegeLondon Wonseok Mechanical INSPParis Vinylpyridine PolyvinylideneFluoride