IMT_Bucharest LiIonBattery organic_polymer molecular_beam SKPM DNAProtein Tape Force-distance high_resolution PFM LDPE 2dMaterials Wildtype Polydimethylsiloxane light_emission Blood University_of_Regensburg PtfeMembrane Ceramic PinpointPFM LiquidCell oxide_layer Biology strontiu_titanate plastics Metal-organicComplex block_copolymer STO fe_nd_b PinpointNanomechanicalMode LightEmiting HBN HDD CuSubstrate norganic