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Keywords:

  • chain structures;
  • charge transfer;
  • cobalt;
  • iron;
  • magnetic properties
Thumbnail image of graphical abstract

A cooperative, reversible charge-transfer-induced spin transition that occurs upon cooling and heating of the well-isolated cyanide-bridged FeIII2CoII double-zigzag chain {[Fe(pzTp)(CN)3]2Co(4-styrylpyridine)2}⋅2H2O⋅2CH3OH (pzTp=tetrakis(pyrazolyl)borate) is described in the Communication by T. Liu, O. Sato, C.-Y. Duan et al. on page 5119 ff. Irradiation of the chain with 532 nm light at 5 K results in a single-chain magnetic behavior with no antiferromagnetic ordering after the irradiation.