Tuning the coercivity of ferromagnetic films with perpendicular anisotropy by thickness, width, and profile

G. Kopnov; A. Gerber

doi:10.1063/5.0088807

Tuning the coercivity of ferromagnetic films with perpendicular anisotropy by thickness, width, and profile

G. Kopnov, A. Gerber^*

^*Corresponding author for this work

School of Physics and Astronomy

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

Abstract

The coercive field of laterally heterogeneous CoPd films with perpendicular magnetic anisotropy was found to be highly sensitive to their nominal thickness and morphology in the vicinity of the metal-insulator transition. We used the effect to tune the coercivity by the width of lithographically patterned stripes with non-uniform cross-sectional thickness profiles. The phenomenon and the method can be suitable to control the local anisotropy of spintronic logic circuitry elements by their shape and lateral dimensions.

Original language	English
Article number	182401
Journal	Applied Physics Letters
Volume	120
Issue number	18
DOIs	https://doi.org/10.1063/5.0088807
State	Published - 2 May 2022

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10.1063/5.0088807

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abstract = "The coercive field of laterally heterogeneous CoPd films with perpendicular magnetic anisotropy was found to be highly sensitive to their nominal thickness and morphology in the vicinity of the metal-insulator transition. We used the effect to tune the coercivity by the width of lithographically patterned stripes with non-uniform cross-sectional thickness profiles. The phenomenon and the method can be suitable to control the local anisotropy of spintronic logic circuitry elements by their shape and lateral dimensions.",

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Tuning the coercivity of ferromagnetic films with perpendicular anisotropy by thickness, width, and profile

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