On the Computation of Local-Demagnetization Tensor for Nonellipsoidal Ferrites |
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| Authors: | Mai Lu Zheng Yang and Fu-Lin Wei |
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| Institution: | (1) Research Institute of Magnetic Materials, Lanzhou University, Lanzhou, 730000 Gansu, People's Republic of China;(2) Key Laboratory on Magnetics, State Education Commission, Lanzhou, 730000, Gansu, People's Republic of China |
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| Abstract: | The distribution of the magnetization in ferrite devices is nonuniform due to their nonellipsoidal shapes. In this paper, the local-demagnetization tensor of magnetized nonellipsoidal ferrite is proposed and calculated. By analysing the distribution of the tensor elements, the distribution of the demagnetizing field can be obtained. The method is simple yet accurate. It can be used to calculate the nonuniform magnetizing distribution in ferrite devices as well as optimize the ferrite devices in the CAD of MMIC. |
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| Keywords: | local-demagnetization tensor nonellipsoidal boidies ferrite nonuniform demagnetizing distribution |
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