Yusuf Yüksel

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We have presented dynamic phase transition features and stationary-state behavior of a ferrimagnetic small nanoparticle system with a core-shell structure. By means of detailed Monte Carlo simulations, a complete picture of the phase diagrams and magnetization profiles has been presented and the conditions for the occurrence of a compensation point T(comp)(More)
An Ising model with quenched random magnetic fields is examined for single-Gaussian, bimodal, and double-Gaussian random-field distributions by introducing an effective-field approximation that takes into account the correlations between different spins that emerge when expanding the identities. Random-field distribution shape dependencies of the phase(More)
Using Monte Carlo simulations, we have investigated the dynamic phase transition properties of magnetic nanoparticles with ferromagnetic core coated by an antiferromagnetic shell structure. Effects of field amplitude and frequency on the thermal dependence of magnetizations, magnetization reversal mechanisms during hysteresis cycles, as well as on the(More)
With the emergence of globalization, the transfer of management principles and models and technology between the organizations has become a common practice. This situation inevitably increased in research about the issue of similarities and differences between societies, organizations, nations, and individuals. This article aims to contribute to this line(More)
  • Yusuf Yüksel
  • Physical review. E, Statistical, nonlinear, and…
  • 2015
We examine the dynamic phase transition properties of ferromagnetic uniaxial nanowires with tunable radius r in the presence of both oscillating and biased magnetic fields. Variation of the transition temperature as a function of amplitude h0 of the oscillating field has been analyzed in the absence of magnetic bias hb and at constant oscillation period P.(More)
Nonequilibrium behavior and dynamic phase-transition properties of a kinetic Ising model under the influence of periodically oscillating random fields have been analyzed within the framework of effective-field theory based on a decoupling approximation. A dynamic equation of motion has been solved for a simple-cubic lattice (q=6) by utilizing a Glauber-type(More)
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