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Magnetic properties of the Heusler compound CoFeMnSi: Monte Carlo simulations

Author

Listed:
  • Idrissi, S.
  • Ziti, S.
  • Labrim, H.
  • Khalladi, R.
  • Mtougui, S.
  • El Mekkaoui, N.
  • El Housni, I.
  • Bahmad, L.

Abstract

In this study, we investigate the magnetic properties of the Heusler compound CoFeMnSi, using Monte Carlo simulations (MCS) under the Metropolis algorithm. This material contains three magnetic atoms, consisting of a mixed system with the atoms: Co, Fe and Mn modeled by the spin moments S=2, σ=1 and Q=1/2, respectively. We have studied the effect of the crystal field, the exchange coupling interactions and the external magnetic field of this system. On the other hand, we have analyzed the ground state phase diagrams in different physical parameters. We presented the results of the magnetizations and the susceptibilities as a function of temperature. We have also performed the Monte Carlo simulations in order to investigate the behavior of the magnetizations and the susceptibilities as a function of the exchange coupling interactions and the crystal field. To complete this study, we presented and discussed the hysteresis loops for specific values of the studied physical parameters. It is found that for negative values of the crystal field, the variation of the coercive field depends strongly on these parameters.

Suggested Citation

  • Idrissi, S. & Ziti, S. & Labrim, H. & Khalladi, R. & Mtougui, S. & El Mekkaoui, N. & El Housni, I. & Bahmad, L., 2019. "Magnetic properties of the Heusler compound CoFeMnSi: Monte Carlo simulations," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 527(C).
    • Handle: RePEc:eee:phsmap:v:527:y:2019:i:c:s0378437119308040
    DOI: 10.1016/j.physa.2019.121406
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