bias_mode Hafnia Crystal Sphere SFAs self_healing semifluorinated_alkanes BiasMode KAIST gallium_nitride Protein Fujian Hole small_scan Defects Insulator PolycrystallineFerroelectricBCZT Dimethicone GranadaUniv MeltingPoint FrictionForce AtomicLayer Spain ito_film Piezo P3HT norganic Solar Array ElectroChemical Indium_tin_oxide Imprint Piranha Global_Comm membrane