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Journal of Superconductivity and Novel Magnetism

, Volume 30, Issue 2, pp 425–430 | Cite as

Monte Carlo Investigation of Magnetization in Small Ferromagnetic Heisenberg Nanoparticles

  • A. Razouk
  • M. Sahlaoui
  • S. Eddahri
  • E. Agouriane
  • M. Sajieddine
Original Paper
  • 81 Downloads

Abstract

Using the classical Heisenberg model and Monte Carlo simulations in the canonical ensemble, the effect of form, finite-size, and surface roughness on magnetization is investigated for ferromagnetic nanoparticle with uniaxial anisotropy and different nanoparticle shapes. In this work, cubical and spherical nanoparticles are considered; we have considered a simple nanoparticle where each site is occupied by a classical Heisenberg spin. Our numerical results show that the nanoparticle size and surface roughness have an impact and a considerable influence on the magnetic properties of these nanoparticles. But the influence of nanoparticle shapes is less significant when comparing magnetic behavior for cubical and spherical forms of the particle in a smooth or rough surface.

Keywords

Monte Carlo simulation Heisenberg model Nanoparticles Finite-size effects Surface effects Magnetization 

Notes

Acknowledgments

Results obtained in this paper were computed on the magrid virtual organization of the Moroccan Grid Infrastructure (http://www.magrid.ma). We thank the CNRST/MaGrid providing the technical support, computing and storage facilities.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • A. Razouk
    • 1
    • 2
  • M. Sahlaoui
    • 1
  • S. Eddahri
    • 1
  • E. Agouriane
    • 1
  • M. Sajieddine
    • 1
  1. 1.Material Physics Laboratory, Faculty of Sciences and TechnologySultan Moulay Slimane UniversityBeni MellalMorocco
  2. 2.Department of Physics, Polydisciplinary FacultySultan Moulay Slimane UniversityBeni MellalMorocco

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