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<p>The temperature-dependent magnetic properties of different samples of Fe<sub>2</sub>MnSn prepared by high-energy ball milling and as-melted alloys were investigated using vibrating sample magnetometry. The findings were compared between the bulk samples and samples milled for 30, 60, and 90&#xa0;min. We also measured the structural properties with x-ray diffraction. Notably, the nano-sized samples exhibited significant enhancements in both saturation magnetization and coercivity relative to the bulk samples. These improvements are attributed to structural disorder and size effects. We also studied the electronic and optical properties of the Fe<sub>2</sub>MnSn alloy and found that the alloys have spin polarization near 100% for a lattice range of 5.35–5.85&#xa0;Å, demonstrating potential for use in spintronics applications due to half-metallic ferromagnetism. The alloy shows potential for use in photovoltaic devices due to its high optical conductivity and real and imaginary dielectric properties in both the visible and ultraviolet energy range.</p>

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Study of Structural, Magnetic, Electronic, and Optical Properties of Fe2MnSn Heusler Alloy

  • 期刊论文

  • 发表日期：

    2025年7月29日

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  • Ashok Yadav,
  • Vivek Kumar Jain

摘要

The temperature-dependent magnetic properties of different samples of Fe2MnSn prepared by high-energy ball milling and as-melted alloys were investigated using vibrating sample magnetometry. The findings were compared between the bulk samples and samples milled for 30, 60, and 90 min. We also measured the structural properties with x-ray diffraction. Notably, the nano-sized samples exhibited significant enhancements in both saturation magnetization and coercivity relative to the bulk samples. These improvements are attributed to structural disorder and size effects. We also studied the electronic and optical properties of the Fe2MnSn alloy and found that the alloys have spin polarization near 100% for a lattice range of 5.35–5.85 Å, demonstrating potential for use in spintronics applications due to half-metallic ferromagnetism. The alloy shows potential for use in photovoltaic devices due to its high optical conductivity and real and imaginary dielectric properties in both the visible and ultraviolet energy range.