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The invention concerns a ferrite magnet comprising a magnetoplumbite phase of formula M1-aRaFe12-yTyO19, wherein : M represents at least an element selected among the group consisting of : Sr, Ba, Ca and Pb; R represents at least an element selected among rare earths and Bi; T represents at least an element selected among Co, Mn, Ni, Zn; 0.15
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