Fig. 2: Theoretical simulation and experiment analysis.
From: All organic multiferroic magnetoelectric complexes with strong interfacial spin-dipole interaction

a Spin dependence of density of states (DOS) of P-F4TCNQ/P(VDF-TrFE) complexes. Strong b and weak c charge interaction at interface of P-F4TCNQ/P(VDF-TrFE). SP denotes spin polarization in FM. With small spin polarization in FM, the interaction between P-F4TCNQ and P(VDF-TrFE) is stronger. d The diagram of spin–dipole interaction at multiferroic P-F4TCNQ/P(VDF-TrFE) complexes. e Magnetic field dependence of dielectric constant of multiferroic P-F4TCNQ/P(VDF-TrFE) complexes. f Frequency dependence of dielectric constant of multiferroic P-F4TCNQ/P(VDF-TrFE) complexes with/without applying external electric field. g Electric field dependence of photoluminescence of multiferroic P-F4TCNQ/P(VDF-TrFE) complexes.