Formamidinium_lead_iodide LeakageCurrent PolyStylene molecular_self_assembly PetruPoni_Institute HafniumDioxide MoS2 DeoxyribonucleicAcid Ito silicon_oxide Barium_titanate CastIron PhaseTransition PvdfBead Treatment Vinylpyridine Polytetrafluoroethylene Electrode SurfaceChange Graphite organic_polymer NiFe MagneticPhase AEAPDES AM_KPFM Adhesion mono_layer Photovoltaics HardDisk YszSubstrate Platinum chemical_compound Perovskite ferromagnetic Hafnia