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2-dimensional numerical analysis of laminated thin film elements

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3 Author(s)
H. Y. Yoo ; Dept. of Electr. & Comput. Eng., Iowa State Univ., Ames, IA, USA ; A. V. Pohm ; C. S. Comstock

A theoretical analysis of the laminated thin film elements is carried out by solving the micromagnetic equation. The boundary conditions of the equation are obtained by assuming that the magnetization is pinned at the edges of the elements. The dimension of the element is 2 μm×20 μm, with 150-Å-thick magnetic layers and a 50-Å-thick nonmagnetic layer. For the numerical analysis each magnetic layer is divided into 40×100 segments. The demagnetizing field is obtained by integrating the surface poles generated at the boundaries of the elements. Two different element shapes are considered: rectangular and diamond. Each shape is solved with its anisotropy constant either parallel or perpendicular to the long dimension of the element

Published in:

IEEE Transactions on Magnetics  (Volume:24 ,  Issue: 6 )