Regensburg Carbon Liquid Piranha F14H20 Piezo block_copolymer University_of_Regensburg MembraneFilter SingleLayer Conductance BismuthFerrite semifluorinated_alkanes Polyurethane TCS DNAProtein self-assembly Current conductive TipBiasMode HBN GranadaUniv temp_control multi_layer Organic Battery Patterns NiFe Ananth PVAP3HT Polyvinylidene_fluoride Conducting LifeScience ThermalDetectors ForceMapping