Effect of the Hamiltonian parameters on Blume-Capel Ising ferromagnet system with single-ion anisotropy


Bati M. , ERTAŞ M.

SUPERLATTICES AND MICROSTRUCTURES, vol.98, pp.259-266, 2016 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 98
  • Publication Date: 2016
  • Doi Number: 10.1016/j.spmi.2016.08.051
  • Title of Journal : SUPERLATTICES AND MICROSTRUCTURES
  • Page Numbers: pp.259-266

Abstract

The dynamic mean-field approach have been utilized to investigate effect of the Hamiltonian
parameters on the dynamic magnetic properties of a Blume-Capel Ising ferromagnet
system in two dimensions, comprising a ferromagnetic spins S ¼ ±3/2, ±1/2. The
effect of the single-ion anisotropy (d) and the frequency (w) of the external oscillating
magnetic field on the dynamic hysteresis cycle (DHC) are explored in detail. It is found that
the DHC increases as the d increases and at a certain d, the DHC decreases with increasing
the d. Furthermore, the DHC is very sensitive to changes in the w. We also examine the
effect of the w on the dynamic phase diagrams and observe the dynamic phase diagrams
illustrate richer dynamic critical behavior for higher values of w than for lower values.

The dynamic mean-field approach have been utilized to investigate effect of the Hamiltonian parameters on the dynamic magnetic properties of a Blume-Capel Ising ferromagnet system in two dimensions, comprising a ferromagnetic spins S = +/- 3/2, +/- 1/2 . The effect of the single-ion anisotropy (d) and the frequency (w) of the external oscillating magnetic field on the dynamic hysteresis cycle (DHC) are explored in detail. It is found that the DHC increases as the d increases and at a certain d, the DHC decreases with increasing the d. Furthermore, the DHC is very sensitive to changes in the w. We also examine the effect of the w on the dynamic phase diagrams and observe the dynamic phase diagrams illustrate richer dynamic critical behavior for higher values of w than for lower values. (C) 2016 Elsevier Ltd. All rights reserved.