Surface effects and discontinuity behavior in nano-systems composed of Prussian blue analogues

L.B. Drissi, S. Zriouel and L. Bahmad

Physica A: Statistical Mechanics and its Applications, 2018, vol. 496, issue C, 663-675

Abstract: Magnetic properties and hysteresis loops of a nano-ferrimagnetic surface–bulk Prussian blue analogues (PBA) have been studied by means of Monte Carlo simulations. We have reported the effects of the magnetic and the crystal fields, as well as the intermediate and the bulk couplings, the temperature and the size on the phase diagram, the magnetization, the susceptibility, the hysteresis loops, the critical and the discontinuity temperatures of the model. The thermal dependence of the coercivity and the remanent magnetization are also discussed. This study shows a number of characteristic behaviors, such as the discontinuities in the magnetizations, the existence of Q- and N-types behaviors in the Néel classification nomenclature and the occurrence of single and triple hysteresis loops with high number of step-like plateaus. The obtained results make ferrimagnetic surface–bulk PBA useful for technological applications such as thermo-optical recording.

Keywords: Prussian blue analogues; Surface–bulk nano-systems; Ferrimagnets; Monte Carlo calculations; Discontinuity and critical temperatures; Hysteresis cycles (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:496:y:2018:i:c:p:663-675

DOI: 10.1016/j.physa.2017.12.125

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