Impact of Magnetic and Exchange Fields on the Thermal Properties of Silicene Monolayers
DOI:
https://doi.org/10.15407/ujpe71.6.536Keywords:
silicene, 2D nanomaterials, exchange-field effect, thermal properties, heat capacity, entropyAbstract
In this study, we analyze the Dirac Hamiltonian describing an electron within a monolayer of silicene, a two-dimensional nanomaterial, under the influence of externally applied electric and magnetic fields. The Hamiltonian incorporates an exchange-field term arising from the proximity of a ferromagnetic material layer. The energy eigenvalue spectrum is derived as a function of relevant physical parameters through direct diagonalization of the Hamiltonian matrix. We systematically examine the dependence of the Landau level spectra on the magnetic field, electric field, and induced exchange field. Furthermore, the statistical average energy of silicene and graphene monolayers is explored as a function of magnetic field strength, electric field intensity, and temperature. Additionally, the impact of the exchange field on the statistical average energy of a silicene/ferromagnetic hybrid structure is investigated. The thermal properties, including heat capacity and entropy, are analyzed as functions of magnetic field, electric field, exchange field, and temperature for both silicene and graphene monolayers. This comprehensive analysis provides insights into the interplay between external fields, material-specific properties, and thermal behavior in these two-dimensional systems.
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