Micromagnetic simulation of domain wall pinning in Sm(Co,Fe,Cu,Zr)z magnets

W. Scholz, J. Fidler, T. Schrefl and D. Suess

J.M.M.M. (2001) submitted to JEMS01 Conf. Grenoble Aug. 2001, paper J-037.

Domain wall pinning in Sm(Co,Fe,Cu,Zr)z based magnets was investigated with 3D-micromagnetic simulations. The pinning effect was studied for varying thickness of the intercellular phase at constant cell size. The simulations showed a complete loss of the pinning effect for a very thin and very thick cell boundary phase. In the proper region the pinning field was calculated for varying anisotropy constant.

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Oct. 5, 2001