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Reentrant behavior of magnetic ordered phase in spin-crossover solids with quenched disordered ligand field |
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| Institution: | 1. Physical, Technical and Computer Sciences Institute of Yuriy Fedkovych Chernivtsi National University, 58012 Chernivtsi, Ukraine;2. Groupe d''Etudes de la Matière Condensée, Université de Versailles, Université Paris-Saclay, CNRS UMR 8635, 45 Avenue des Etats Unis, 78035 Versailles, France |
| Abstract: | The Ising-like model of spin-crossover solid compounds with quenched random ligand field has been investigated by the mean-field (infinite-range) approximation. An exact solution for the problem is found within the replica formalism. The magnetic diagrams are obtained; the relations between the intermolecular coupling and the temperature as well as the reentrant phenomena of the magnetic ordered phase are discussed. |
| Keywords: | Spin-crossover compounds Random ligand field Reentrant behavior Phase transitions |
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