Magnetic Properties and Barkhausen Noise Evolution during FeSiCuNbB Nanocrystalline Material Aging

Rania Saoudi,Laurent Morel,Marie Ange Raulet,Benjamin Ducharne

Journal of Magnetism and Magnetic Materials（2022）

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Abstract

•Aging in nanocrystalline materials is not due to changes in the microstructure.•Aging in nanocrystalline materials results from a modification in the anisotropic energy.•Evolution of Barkhausen noise signal during aging confirmed that magnetic domain configuration has changed.

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Key words

Nanocrystalline,Magnetic characterizations,Magnetic aging,Barkhausen noise,Anisotropic energy

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