Two-dimensional metal–organic frameworks(2D MOFs)are atomically thin materials that combine the properties of organic molecules with the structural characteristics of crystalline inorganic solids.Their unique magneti...Two-dimensional metal–organic frameworks(2D MOFs)are atomically thin materials that combine the properties of organic molecules with the structural characteristics of crystalline inorganic solids.Their unique magnetic and electronic properties arise from the interaction between transition metal centers and organic linkers.This study focuses on the high-spin Fe^(2+) centers in a 7,7,8,8-tetracyanoquinodimethane(TCNQ)-based 2D MOF,where hybridization between Fe 3d states andπ-symmetric orbitals of TCNQ ligands stabilizes regularly spaced magnetic centers.X-ray magnetic circular dichroism(XMCD)measurements confirm the robustness of these magnetic properties across various substrates,including graphene and gold.展开更多
基金funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No 101007417having benefited from the access provided by ALBA synchrotron in Barcelona,within the framework of the NFFA-Europe Pilot Transnational Access Activity,proposal ID499.Y.Y.G.Q.G.Z.+1 种基金F.V.acknowledge the support from the Deutsche Forschungsgemeinschaft(DFG,German Research Foundation)Project ID 513136560.
文摘Two-dimensional metal–organic frameworks(2D MOFs)are atomically thin materials that combine the properties of organic molecules with the structural characteristics of crystalline inorganic solids.Their unique magnetic and electronic properties arise from the interaction between transition metal centers and organic linkers.This study focuses on the high-spin Fe^(2+) centers in a 7,7,8,8-tetracyanoquinodimethane(TCNQ)-based 2D MOF,where hybridization between Fe 3d states andπ-symmetric orbitals of TCNQ ligands stabilizes regularly spaced magnetic centers.X-ray magnetic circular dichroism(XMCD)measurements confirm the robustness of these magnetic properties across various substrates,including graphene and gold.