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Abstract <p>The magnetocaloric effect in the itinerant LaFe<sub>13.7</sub>Si<sub>1.3</sub> metamagnet has been investigated experimentally under a static magnetic field of 1–5 T and a low-frequency (0.05–0.5 Hz) sinusoidal magnetic field of 1.8 T. The experimental data have been compared with simulation results based on a relaxation model derived from the Landau functional, which was constructed using the parameters of the metamagnetic transition. A comparison was made between the experimental data and results of the simulations performed within the framework of the relaxation model based on the Landau fanctional.</p>

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Description of the Magnetocaloric Effect in an Alternating Magnetic Field in the Metamagnet LaFe13.7Si1.3 within the Framework of the Relaxation Model

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • P. A. Igoshev,
  • A. G. Vedernikova,
  • A. G. Gamzatov

摘要

Abstract

The magnetocaloric effect in the itinerant LaFe13.7Si1.3 metamagnet has been investigated experimentally under a static magnetic field of 1–5 T and a low-frequency (0.05–0.5 Hz) sinusoidal magnetic field of 1.8 T. The experimental data have been compared with simulation results based on a relaxation model derived from the Landau functional, which was constructed using the parameters of the metamagnetic transition. A comparison was made between the experimental data and results of the simulations performed within the framework of the relaxation model based on the Landau fanctional.