Hair pinpoint mode MoirePattern Ucl Ananth Tin sulfide Polyaniline Fe_film self_healing Vac SiliconeOxide PDMS Piranha Fujian Terrace Pinpoint PFM Dimethicone MagneticArray margarine Multiferroic_materials LogAmplifier BloodCell Spain SolarCell hard_disk Worcester_Polytechnic_Institute domain_switching Sperm PetruPoni Wonseok dielectric trench phase_change Sadowski Chemical_Vapor_Deposition Photovoltaics