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February 8, 2026SHILAP Revista de lepidopterologíaOpen Access

Enhanced magnetic anisotropy in (Fe0.7-xCo0.3Zrx)2 B nanocrystallites

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Authors

PJPramanand JoshiHAHur AbbasTKTej Raj Karki

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Overview

Demonstrates enhanced magnetic anisotropy in (Fe0.7-xCo0.3Zrx)2 B nanocrystallites, suggesting their potential in permanent magnets.

Key Points

  • The aim is to investigate the effects of zirconium incorporation on the magnetic properties of (Fe0.7-xCo0.3Zrx)2 B nanocrystallites.
  • Developed (Fe0.7-xCo0.3Zrx)2 B through arc melting and rapid solidification via melt spinning.
  • Used X-ray diffraction to confirm the tetragonal structure and average crystallite size.
  • Conducted singular point detection measurements for magnetocrystalline anisotropy.
  • Performed room-temperature magnetization loop tests to assess saturation magnetization and coercivity.
  • Applied Bloch's law fitting to analyze temperature-dependent saturation magnetization.
  • Zr incorporation increased magnetocrystalline anisotropy field from 7.5 to 9.5 kOe.
  • Achieved saturation magnetization between 139 and 144 emu/g.
  • Optimum coercivity reached approximately 0.39 kOe.
  • Weakened ferromagnetic exchange interactions were observed with higher Zr content.

Cite This Study

Joshi et al. (2026) studied this question.

synapsesocial.com/papers/698828b90fc35cd7a8848649https://doi.org/10.1063/9.0001047
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