Micromagnetic three-dimensional simulation of the pinning field in high temperature Sm(Co,Fe,Cu,Zr)z magnets
W. Scholz, J. Fidler, T. Schrefl, D. Suess, and T. Matthias
Journal of Applied Physics -- May 15, 2002 -- Volume 91, Issue 10, pp. 8492-8494
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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Feb. 13, 2001