Abstract
Mössbauer and magnetic data establish the two compounds Na 3 Fe 2 X 4 (X=S, Se) as mixed-valence linear chain compounds with rapid valence fluctuation. The compounds exhibit 1-dimensional antiferromagnetic coupling within the chains, and below a critical temperature a 3-dimensional ferrimagnetic ordering between the chains.
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K. Klepp and H. Boller, Monatshefte der Chemie112 (1981) 83.
K. Klepp, private communication 1985.
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Ensling, J., Gütlich, P., Spiering, H. et al. Mössbauer and magnetic studies of mixed-valence linear chain compounds: Na3Fe2S4 and Na3Fe2Se4 . Hyperfine Interact 28, 599–601 (1986). https://doi.org/10.1007/BF02061519
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DOI: https://doi.org/10.1007/BF02061519