Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 59, Issue 2, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2022.3212764
Keywords
Magnetic domains; Magnetic domain walls; Voltage; Magnetic noise; Computational modeling; Magnetostriction; Perpendicular magnetic anisotropy; Coupled problem; ensemble averaging; finite element method; magnetic noise
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In this study, the magnetic noise caused by the interaction of domain walls with defects is investigated. A micro-magneto-mechanical material model is formulated using the generalized standard materials framework. A scheme to compute magnetic noise based on ensemble averaging is developed and demonstrated with numerical examples using the finite element method.
We study magnetic noise caused by the interaction of domain walls with defects. In the first step, we formulate a micro-magneto-mechanical material model using the generalized standard materials framework. We use this model in the subsequent step, in which we devise a scheme to compute magnetic noise based on ensemble averaging. We demonstrate our approach with numerical examples using the finite element method.
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