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March 19, 2026Small

Engineering Magnetic Anisotropy in Permalloy Films via Atomic Force Nanolithography

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Demonstrates controlled engineering of magnetic anisotropy in permalloy films, suggesting new applications in devices.

This research aims to explore methods for engineering magnetic anisotropy in permalloy films through atomic force nanolithography.
Utilized atomic force nanolithography to pattern nanoscale groove arrays in permalloy films.
Examined the effects of groove period and engraving depth on magnetic anisotropy.
Analyzed domain configurations and domain-wall trajectories in engineered microstructures.
Induced robust in-plane uniaxial anisotropy aligned along the groove direction.
Effective anisotropy field increases with decreasing groove period and engraving depth.
Demonstrated creation of a chessboard-like magnetic landscape for tailored domain configurations.

Naik et al. (2026) studied this question.

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