Abstract
The magnetic properties of Coronene -Like Superlattice (CLS) have been investigated via Monte Carlo study. The system has been described by Hamiltonian contain the (S–S), (σ-σ), (σ-S) spins, external magnetic and the crystal field applied on the two spins S and σ. The several more stable magnetic phases of CLS are obtained under effect of crystal field, exchange interactions and magnetic field. The critical and compensation temperatures of CLS are found for a several exchange interactions between the spins (S–S, σ-S) and crystal fields for a fixed value of exchange interactions between spins σ-σ. Magnetic hysteresis cycles of CLS are obtained for a several temperatures, exchanges interactions (S–S), (σ-σ) and crystal filed Dσ. In particular, the results show that the effect of: temperature, exchange coupling, magnetic field and crystallized field, play an important role in the presence of the more saturated magnetic phases and their effect on the magnetic hysteresis cycle.
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