Abstract.
We use an atom-phonon coupling model, introduced recently for spin-conversion phenomenon, in order to describe the behaviours of diluted spin conversion compounds. We keep the basic assumption of the model which is that the interaction between two molecules is harmonic and that the value of the elastic force constant of this interaction is reduced when one molecule becomes High-Spin. The main features of the experimental behaviours of diluted spin conversion compounds are qualitatively reproduced. This model can be founded on the Lennard-Jones potential between molecules.
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Nasser, J. Diluted spin conversion compounds behaviours in the atom-phonon coupling model: case of not too large dilution. Eur. Phys. J. B 48, 19–27 (2005). https://doi.org/10.1140/epjb/e2005-00367-0
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DOI: https://doi.org/10.1140/epjb/e2005-00367-0