Dynamic magnetic and magnetocaloric behaviors of a Kagome-like cluster

Kai-Le Shi, Wei Jiang and Wei-Chen Wu

Physica A: Statistical Mechanics and its Applications, 2024, vol. 651, issue C

Abstract: By utilizing the Monte Carlo simulation, how different physical parameters affect the dynamic magnetic properties and magnetocaloric effects of a Kagome-like cluster with mixed spins (3/2, 2) are explored. The findings show that changing the values of the exchange coupling |J|, |Js|, and |J2| had no impact on the saturation order parameters of the system. Under specific parameter conditions, the magnetization susceptibility curve displays double peaks, and compensation phenomena are noted. The impacts of hbias and hosc on the blocking temperature of the system are opposite. In addition, the effects of various parameters on the magnetization, magnetic entropy change, and relative cooling power of the ferromagnetic system under a static magnetic field are given. The strong exchange coupling is found to negatively affect the magnetic refrigeration efficiency of the material, while a strong magnetic field enhances the system's relative cooling power.

Keywords: Monte Carlo simulation; Kagome-like cluster; The order parameter; Magnetocaloric effect; RCP (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:651:y:2024:i:c:s0378437124005120

DOI: 10.1016/j.physa.2024.130003

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