| 摘要 |
The ferrite magnet having a composition represented by the general formula: (A1-xRx)Oxn[(Fe1-yMy)2O3] (by atomic ratio), wherein A is Sr and/or Ba, R is at least one element selected from the group consisting of La, Nd, Pr, Sm, Eu and Gd, La being indispensable, M is at least one element selected from the group consisting of Mn, Co and Ni, and x, y and n meet 0.05</=x</=0.5, x/(2.4n)</=y</=x/(1.6n) and 5.4</=n</=6.0, respectively is produced by preparing a starting material powder having the above composition and an average particle size of 0.4-0.7 mu m, and subjecting the starting material powder to molding in a magnetic field and then to sintering.
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