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Properties of the W-type hexaferrite PbZn2Fe16O27

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2 Author(s)
Haberey, F. ; Inst. fur Werkstoffe der Elektrotech., Ruhr-Univ., Bochum, West Germany ; Wiesemann, P.

W-type Pb-hexaferrites were prepared by standard ceramic methods. The lattice constants found by refinement were a=0.59140±0.00006 nm and c=3.29209±0.00041 nm. The X-ray density of a typical composition PbZn1.9Fe15.3O25.8 was ρ=5.32 g/cm3 and the Vickers microhardness value h v=6 kN/mm2. A plot of the saturation magnetization versus temperature is given. The extrapolated value of the saturation magnetization (H→∞, T→0) was σs=108 emu×g-1, and the Curie temperature was Tc=600±20 K

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Magnetics, IEEE Transactions on  (Volume:24 ,  Issue: 4 )