Abstract
The investigation of the Magneto Caloric Effect (MCE) in the Double Perovskites (DPs) Sr2CrWO6 and Sr2CrReO6 was carried out utilizing Monte Carlo Simulation (MCS). An analysis of the magnetic entropy change in both materials revealed a Gaussian distribution pattern and uniform behavior, imparting practical utility for an Ericsson-cycle magnetic refrigerator. Notably, the peaks of the magnetic entropy change span a broad spectrum of temperatures, indicating a substantial enhancement in MCE efficiency. These findings posit the potential candidacy of both materials for specific magnetic refrigeration applications, notably in industries such as aerospace, metallurgy, and automotive. Of significance, Sr2CrReO6 demonstrates optimal performance in high magnetic fields above room temperature, while Sr2CrWO6 exhibits superior characteristics in low magnetic fields.
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