JOM

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Impact of Ion Bombardment on the Structure and Magnetic Properties of Fe78Si13B9 Amorphous Alloy

Recent Developments in the Processing of Magnetic Materials
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Abstract

Amorphous Fe78Si13B9 alloy ribbons were bombarded by ion beams with different incident angles (\( \theta \)). The evolution of the microstructure and magnetic properties of ribbons caused by ion beam bombardment was investigated by x-ray diffraction, transmission electron microscope and vibrating sample magnetometer analysis. Low-incident-angle bombardment led to atomic migration in the short range, and high-incident-angle bombardment resulted in the crystallization of amorphous alloys. Ion bombardment induces magnetic anisotropy and affects magnetic properties. The effective magnetic anisotropy was determined by applying the law of approach to saturation, and it increased with the increase of the ion bombardment angle. The introduction of effective magnetic anisotropy will reduce the permeability and increase the relaxation frequency. Excellent high-frequency magnetic properties can be obtained by selecting suitable ion bombardment parameters.

Notes

Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (NSFC) (Grant No. 51571087).

Supplementary material

11837_2018_2827_MOESM1_ESM.pdf (82 kb)
Supplementary material 1 (PDF 81 kb)

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Copyright information

© The Minerals, Metals & Materials Society 2018

Authors and Affiliations

  1. 1.College of Materials Science and EngineeringHunan UniversityChangshaChina
  2. 2.Hunan Province Key Laboratory for Spray Deposition Technology and ApplicationHunan UniversityChangshaChina

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