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采用草酸盐共沉淀工艺制备了LaxBa1-xFe12-xZnxO19六角铁氧体,当x2晶位。The hexagonal ferrites LaxBa1-xFe12-xZnxO19 were prepared by oxalate eopreci-pitation method. The ferrites with magnet oplumbite structure were found to be formed for xf and the magnetic crystal anisotropy constant k decreases with increasing x. M?ssbauer spectra have revealed that Zn2+ ion tends to occupy 4f2 site.
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