Tin sulfide Modulus Chemical Vapor Deposition Pvdf Change blended polymers VinylAlcohol MultiferroicMaterials vertical_PFM SingleCrystal atomic_steps Pyroelectric Annealed PinPointMode C_AFM LiquidCell PtfeFilter plastics TemperatureControllerStage gallium_nitride non_contact Crystal Hexatriacontane STM Piranha Graphene molecules Sphere ferromagnetic FM_KPFM Magnetostrictive ScratchMode Sapphire PetruPoni_Institute Ferrite