We have investigated domain wall pinning in Sm(Co,Fe,Cu,Zr)z based magnets with 3D micromagnetic simulations using a hybrid finite element/boundary element method. Transmission electron micrographs of magnets with Sm2(Co,Fe)17 matrix and Sm(Co,Cu)5−7 precipitation phases were used to model the cellular microstructure. The pinning field was investigated for varying thickness of the intercellular phase.
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Scholz et al. (2002) studied this question.
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