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

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

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

Document type :

Journal articles

Domain :

Physics [physics] / Condensed Matter [cond-mat] / Materials Science [cond-mat.mtrl-sci]

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https://hal-insu.archives-ouvertes.fr/insu-01575684
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Submitted on : Friday, January 26, 2018 - 2:51:16 PM
Last modification on : Wednesday, May 15, 2019 - 3:35:08 AM
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2D Spin Crossover Nanoparticles described by the Ising-like model solved in Local Mean-Field Approximation

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

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