Ordering and Antiferromagnetism in Ferrites
- 15 May 1956
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 102 (4), 1008-1013
- https://doi.org/10.1103/physrev.102.1008
Abstract
The octahedral sites in the spinel structure form one of the anomalous lattices in which it is possible to achieve essentially perfect short-range order while maintaining a finite entropy. In such a lattice nearest-neighbor forces alone can never lead to long-range order, while calculations indicate that even the longrange Coulomb forces are only 5% effective in creating long-range order. This is shown to have many possible consequences both for antiferromagnetism in "normal" ferrites and for ordering in "inverse" ferrites.Keywords
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