{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Shen Y"],"funding":["Japan Society for the Promotion of Science London","MEXT Quantum Leap Flagship Program"],"pagination":["e03057"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12759173"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["32(1)"],"pubmed_abstract":["Co(II)-based coordination polymer is reported as a new benchmark single-chain magnet (SCM), exhibiting an energy barrier (U<sub>eff</sub>) of 560 K and a blocking temperature (T<sub>B</sub>) of 21.5 K‒both the highest values observed for SCM systems. The magnetic behavior originates from the synergistic balance between strong axial anisotropy (D<sub>Co</sub> = -83 cm<sup>-1</sup>) and moderate ferromagnetic exchange (J<sub>Co-Co</sub> = +17.7 K), promoting long-range spin correlation over thousands of magnetic ions. Detailed analysis of the correlation length and domain-wall energy reveals a wide SCM regime and a 1D-to-3D magnetic crossover at low temperature. Unlike previously reported radical-bridged SCMs, this work demonstrates a clean, intrinsic design strategy for realizing extreme single-chain magnetism, offering new principles for developing robust molecular spin materials."],"journal":["Chemistry (Weinheim an der Bergstrasse, Germany)"],"pubmed_title":["Cobalt(II) Single-Chain Magnet With Strong Anisotropy and Ferromagnetic IntraChain Coupling."],"pmcid":["PMC12759173"],"funding_grant_id":["JP25H00866"],"pubmed_authors":["Ohkoshi SI","Stefanczyk O","Cui M","Ohtsu H","Shen Y","Yamashita M"],"additional_accession":[]},"is_claimable":false,"name":"Cobalt(II) Single-Chain Magnet With Strong Anisotropy and Ferromagnetic IntraChain Coupling.","description":"Co(II)-based coordination polymer is reported as a new benchmark single-chain magnet (SCM), exhibiting an energy barrier (U<sub>eff</sub>) of 560 K and a blocking temperature (T<sub>B</sub>) of 21.5 K‒both the highest values observed for SCM systems. The magnetic behavior originates from the synergistic balance between strong axial anisotropy (D<sub>Co</sub> = -83 cm<sup>-1</sup>) and moderate ferromagnetic exchange (J<sub>Co-Co</sub> = +17.7 K), promoting long-range spin correlation over thousands of magnetic ions. Detailed analysis of the correlation length and domain-wall energy reveals a wide SCM regime and a 1D-to-3D magnetic crossover at low temperature. Unlike previously reported radical-bridged SCMs, this work demonstrates a clean, intrinsic design strategy for realizing extreme single-chain magnetism, offering new principles for developing robust molecular spin materials.","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026 Jan","modification":"2026-06-06T09:28:20.451Z","creation":"2026-05-28T03:12:04.731Z"},"accession":"S-EPMC12759173","cross_references":{"pubmed":["41316530"],"doi":["10.1002/chem.202503057"]}}