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From an antiferromagnetic insulator to a strongly correlated metal in square-lattice MCl2(pyrazine)2 coordination solids

hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorPERLEPE, Panagiota
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
hal.structure.identifierBCMaterials Edificio [Derio, Espagne]
dc.contributor.authorOYARZABAL, Itziar
hal.structure.identifierDepartment of Chemistry
dc.contributor.authorVOIGT, Laura
hal.structure.identifierDepartment of Chemistry
dc.contributor.authorKUBUS, Mariusz
hal.structure.identifierDepartment of Chemistry [Oxford]
dc.contributor.authorWOODRUFF, Daniel
hal.structure.identifierDepartamento de Ciencias Fisicas [Santiago de Chile]
dc.contributor.authorREYES-LILLO, Sebastian
hal.structure.identifierDepartment of Chemistry [Berkeley]
dc.contributor.authorAUBREY, Michael
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorNÉGRIER, Philippe
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorROUZIÈRES, Mathieu
hal.structure.identifierEuropean Synchrotron Radiation Facility [Grenoble] [ESRF]
dc.contributor.authorWILHELM, Fabrice
hal.structure.identifierEuropean Synchrotron Radiation Facility [Grenoble] [ESRF]
dc.contributor.authorROGALEV, Andrei
hal.structure.identifierDepartment of Physics [Berkeley]
hal.structure.identifierLawrence Berkeley National Laboratory [Berkeley] [LBNL]
dc.contributor.authorNEATON, Jeffrey
hal.structure.identifierDepartment of Chemical and Biomolecular Engineering [Los Angeles]
hal.structure.identifierDepartment of Chemistry [Berkeley]
dc.contributor.authorLONG, Jeffrey
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorMATHONIÈRE, Corine
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVIGNOLLE, Baptiste
hal.structure.identifierDepartment of Chemistry
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorPEDERSEN, Kasper
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorCLÉRAC, Rodolphe
dc.date.issued2022
dc.identifier.issn2041-1723
dc.description.abstractEnElectronic synergy between metal ions and organic linkers is a key to engineering molecule-based materials with a high electrical conductivity and, ultimately, metallicity. To enhance conductivity in metal-organic solids, chemists aim to bring the electrochemical potentials of the constituent metal ions and bridging organic ligands closer in a quest to obtain metal- d and ligand- π admixed frontier bands. Herein, we demonstrate the critical role of the metal ion in tuning the electronic ground state of such materials. While VCl 2 (pyrazine) 2 is an electrical insulator, TiCl 2 (pyrazine) 2 displays the highest room-temperature electronic conductivity (5.3 S cm –1 ) for any metal-organic solid involving octahedrally coordinated metal ions. Notably, TiCl 2 (pyrazine) 2 exhibits Pauli paramagnetism consistent with the specific heat, supporting the existence of a Fermi liquid state (i.e., a correlated metal). This result widens perspectives for designing molecule-based systems with strong metal-ligand covalency and electronic correlations.
dc.description.sponsorshipAimants 2D conducteurs à haute performance obtenus par une approche Chimie de coordination redox
dc.language.isoen
dc.publisherNature Publishing Group
dc.title.enFrom an antiferromagnetic insulator to a strongly correlated metal in square-lattice MCl2(pyrazine)2 coordination solids
dc.typeArticle de revue
dc.identifier.doi10.1038/s41467-022-33342-5
dc.subject.halChimie/Chimie de coordination
dc.subject.halChimie/Matériaux
bordeaux.journalNature Communications
bordeaux.page5766
bordeaux.volume13
bordeaux.peerReviewedoui
hal.identifierhal-03794863
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03794863v1
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