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Effect of surface grinding on magnetic domain control in Fe0.82Ga0.18 single crystals
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DOI：10.1016/j.matlet.2026.141243.png)
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Abstract
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• Surface grinding followed by annealing aligns magnetic domains in [001] Fe–Ga single crystals. • MOKE microscopy shows domains preferentially oriented perpendicular to the grinding direction. • Parallel magnetostriction reaches ∼280–290 ppm, approaching the saturation magnetostriction. • Domain alignment improves magnetostrictive response in the low-field region (<50 kA/m). • The method uses production-compatible processing and is scalable for Fe–Ga energy harvesters.
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