Magnetic phase diagram of spinel spin-glasses |
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| Authors: | Charles P Poole Jr Horacio A Farach |
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| Institution: | (1) Physics and Astronomy Department, University of South Carolina, 29208 Columbia, South Carolina, USA |
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| Abstract: | The article by Villain Z. Phys. B — Condensed Matter33, 31 (1979)] is discussed and a modified magnetic phase diagram is suggested for the spinel system (AB2O4) in which theA andB sites are partially (or completely) occupied by magnetic atoms. This diagram takes into account the antiferromagnetic exchange interactionsJ
AA,J
BB andJ
AB between nearest neighbor cations of various types. Regions of paramagnetic, antiferromagnetic, ferrimagnetic and possible spin glass behaviour are indicated on the diagram.Supported by the National Science Foundation under Grant ISP-80-11451 |
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