Long range ferromagnetism in tunable cobalt(II) layered compounds up to 25 Å apart

We discuss the structure-magnetic property correlations for a series of layered cobalt(II) compounds, derived from the parent host Co(OH) 2. Intercalation takes place by exchange of OH − by organic or inorganic anions resulting in interlayer spacing between 4.65 and 25.4 Å. For all the compounds, fe...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1996, Vol.154 (1), p.L7-L11
Main Authors: Laget, Valérie, Rouba, Saïd, Rabu, Pierre, Hornick, Claudie, Drillon, Marc
Format: Article
Language:English
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Summary:We discuss the structure-magnetic property correlations for a series of layered cobalt(II) compounds, derived from the parent host Co(OH) 2. Intercalation takes place by exchange of OH − by organic or inorganic anions resulting in interlayer spacing between 4.65 and 25.4 Å. For all the compounds, ferromagnetic in-plane interaction dominate the magnetic behavior at high temperature, but long range order occurs at low temperature; 3d antiferromagnetic order is observed for small basal spacing and ferromagnetic for large spacing. The nature of the magnetic interaction is discussed briefly.
ISSN:0304-8853
DOI:10.1016/0304-8853(96)00036-4