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Journal Articles Journal de Physique I Year : 1993

Ising-like model for the two step spin-crossover of binuclear molecules

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Abstract

We present a two-sublattice Ising-type model, involving one intramolecular interaction treated rigorously and intermolecular interactions treated in the mean-field approach, in order to describe the two-step transition exhibited by a bi-nuclear spin-crossover complex. Spontaneous symmetry breakings can be obtained according to the relative values of the interactions parameters. The phase diagram is given and the experimental data of [ Fe(bt) (NCS)2] 2bpym are treated in the present model.

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Dates and versions

jpa-00246806 , version 1 (01-01-1993)

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Azzedine Bousseksou, F. Varret, J. Nasser. Ising-like model for the two step spin-crossover of binuclear molecules. Journal de Physique I, 1993, 3 (6), pp.1463-1473. ⟨10.1051/jp1:1993191⟩. ⟨jpa-00246806⟩
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