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STUDY ON MAGNETIC PROPERTIES OF FeCoPSiBCu AMORPHOUS ALLOY BY EMPIRICAL ELECTRON THEORY

Author

Listed:
  • XIAOYU WU

    (School of Material and Metallurgy, University of Science and Technology Liaoning, Anshan, Liaoning 114051, P. R. China)

  • XUANXUAN GUO

    (School of Material and Metallurgy, University of Science and Technology Liaoning, Anshan, Liaoning 114051, P. R. China)

  • YUE GU

    (School of Material and Metallurgy, University of Science and Technology Liaoning, Anshan, Liaoning 114051, P. R. China)

  • SHENGLI LI

    (School of Material and Metallurgy, University of Science and Technology Liaoning, Anshan, Liaoning 114051, P. R. China)

  • XUE LI

    (School of Material and Metallurgy, University of Science and Technology Liaoning, Anshan, Liaoning 114051, P. R. China)

Abstract

In this study, a new evaluation method was investigated for the magnetic properties of the amorphous alloys by comparing the experimental results with the theoretical calculations. First, The (Fe70Co6P4.8Si9.6B9.6)100−xCux (x=0–0.5) amorphous ribbons were prepared by melt spinning method. Then, the magnetic properties of the prepared amorphous alloys were measured as 165.86–147.04emu/g, respectively. On the other side, we analyzed the valence electron structure and obtained the magnetizations as 159.92–158.77emu/g by calculating the magnetic moments of unit cells based on empirical electron theory (EET) of solids and molecules. Through comparing the magnetic properties of the calculations with the measurements, we found that the differences between the calculations and the measurements are less than 12% for all samples, meeting the first approximation requirement. Moreover, with the addition of Cu, the change trends both in the calculated and measured magnetic properties are also consistent. These results prove that it is feasible to calculate the magnetic property of the amorphous alloy from the valence electron level using EET, which provides a new method to investigate the soft magnetic property of the amorphous alloy instead of the real measurement.

Suggested Citation

  • Xiaoyu Wu & Xuanxuan Guo & Yue Gu & Shengli Li & Xue Li, 2025. "STUDY ON MAGNETIC PROPERTIES OF FeCoPSiBCu AMORPHOUS ALLOY BY EMPIRICAL ELECTRON THEORY," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 32(02), pages 1-6, February.
    • Handle: RePEc:wsi:srlxxx:v:32:y:2025:i:02:n:s0218625x24501130
    DOI: 10.1142/S0218625X24501130
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