2D Spin Crossover Nanoparticles described by the Ising-like model solved in Local Mean-Field Approximation

Salah Eddine Allal 1, 2 Jorge Linares 1, 2 K. Boukheddaden 1 Pierre-Richard Dahoo 2 F. De Zela 3
1 GEMAC - Groupe d'Etude de la Matière Condensée
2 IMPEC - LATMOS
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
3 PUCP - Pontificia Universidad Católica del Perú
Abstract : Some six-coordinate iron (II) coordination compounds exhibit thermal-, optical-, electrical-, magnetic- and pressure-induced switching between the diamagnetic low-spin (LS, S=0) and the paramagnetic high-spin (HS; S=2) states [1]. This may lead to potential application of these complexes in molecular devices such as temperature and pressure sensors [2]. An Ising-like model has been proposed to explain the occurrence of the thermal hysteresis behaviour [3,4] of this switchable solids. In this contribution, the local mean field approximation is applied to solve the Hamiltonian modelling interactions pertaining to 2D nanoparticles embedded in a magnetically-inactive matrix
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Journal of Physics: Conference Series, IOP Publishing, 2017, 936, pp.012052. 〈10.1088/1742-6596/936/1/012052〉
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Salah Eddine Allal, Jorge Linares, K. Boukheddaden, Pierre-Richard Dahoo, F. De Zela. 2D Spin Crossover Nanoparticles described by the Ising-like model solved in Local Mean-Field Approximation. Journal of Physics: Conference Series, IOP Publishing, 2017, 936, pp.012052. 〈10.1088/1742-6596/936/1/012052〉. 〈insu-01575684〉

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