article·2008-12-31Open access

Numerical Formula of Depinning Fields from Notches in Ferromagnetic Permalloy Nanowire

Kab‐Jin Kim, Chun‐Yeol You, Sug‐Bong Choe

Abstract

A simplified equation of depinning fields from notches of ferromagnetic Permalloy nanowires is presented. The derived equation is given in the form of an explicit function of nanowire width and thickness, and notch depth and angle. The equation agrees with all micromagnetic simulation results to an accuracy of ${\pm}$ 0.5 mT.
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Research context

OpenAlex topics: Magnetic properties of thin films · Magnetic Properties and Applications · Anodic Oxide Films and Nanostructures

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