Dynamic magneto-caloric effect of a multilayer nanographene

Dynamic quantum Monte Carlo

Journal article (2019)

Authors

Y. Benhouria Moulay Ismail University
N. Khossossi Moulay Ismail University
M. Houmad Mohammed V University
Ismail Essaoudi Moulay Ismail University, Uppsala University
Abdelmajid Ainane Moulay Ismail University, Max Planck Institute for the Physics of Complex Systems, Uppsala University
R. Ahuja Uppsala University
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Published Date

2019

Language

English

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Abstract

Using the dynamic quantum Monte Carlo simulation, the dynamic magnetocaloric effect of a ferromagnetic multilayer nanographene (MNG) is studied within the dynamic Ising model under the applied of a time-dependent oscillating (h(t)) magnetic field. The influence of the amplitude h0 and the period τ of the h(t) and the transverse field Ω on the thermal behavior of the dynamic order parameter and the dynamic magnetocaloric properties (the dynamic isothermal ΔST(T,h(t)) entropy change and the dynamic ΔTadT,h(t) adiabatic change of temperature), the dynamic specific heat, the dynamic entropy and as well as the dynamic relative cooling power (RCP(t)) ferrimagnetic MNG are studied. Our predicted results may be a reference for future experiment and theoretical studies of the nanostructures.