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<p>The frequency dependence of Δ<i>T</i><sub>ad</sub> for the equiatomic Fe<sub>50</sub>Rh<sub>50</sub> alloy has been experimentally investigated in the vicinity of the critical temperature <i>T</i><sub>c</sub> ~ 370 K of the first-order antiferromagnetic–ferromagnetic phase transition. The concept of effective mass describing the influence of sample inhomogeneities, has been proposed. A theory that explains the material’s response to a cyclic magnetic field of a given frequency at temperatures near this transition has also been proposed.</p>

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Analytical Description of the Frequency Dependence of the Magnetocaloric Effect in the Cyclic Magnetic Field of Fe50Rh50

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • P. A. Igoshev,
  • A. G. Gamzatov

摘要

The frequency dependence of ΔTad for the equiatomic Fe50Rh50 alloy has been experimentally investigated in the vicinity of the critical temperature Tc ~ 370 K of the first-order antiferromagnetic–ferromagnetic phase transition. The concept of effective mass describing the influence of sample inhomogeneities, has been proposed. A theory that explains the material’s response to a cyclic magnetic field of a given frequency at temperatures near this transition has also been proposed.