Dynamic magnetic behaviors and magnetocaloric effect of CrI3-like bilayer structure

Abstract Through the utilization of Monte Carlo simulations, the dynamic magnetic characteristics and magnetocaloric effect of a CrI3-like bilayer structure featuring mixed spin (3/2, 1) are explored. First, a detailed analysis is conducted on the influence of different parameters such as exchange coupling and dynamic magnetic field on the order parameter and internal energy of the ferrimagnetic system under a fluctuating magnetic field. Various interesting phenomena have been discovered, such as the occurrence of a maximum in the magnetization curve, a double-peak behavior in the magnetic susceptibility curve, and the blocking temperature exhibiting an initial increase followed by a subsequent decrease with the increase of the bias field. During the investigation of hysteresis loops, a multi-loop phenomenon was observed. Various parameters are being examined to evaluate how they affect the magnetic entropy change, adiabatic temperature, and relative cooling power of the ferromagnetic system. These discoveries could prove advantageous when implementing them in spintronic devices and refrigeration technology.