Abstract
In this study CeO2 was added to Zn-ferrite glass ceramic. Glass–ceramic with a composition (Fe2O3–ZnO–SiO2–CaO–CeO2) was prepared by a glass ceramic method and the effect of partial replacement of 10, 20 and 30mol.% of Fe2O3 with CeO2 was studied. Based on the obtained results, it can be observed that the solubility limit of Ce3+ ions in this Ce-substituted glass ceramic, in an ordinary atmosphere, was approximately 10%. When the Ce3+ content exceeded the solution limit for Zn-ferrite glass ceramic, a foreign CeO2 phase was residual in the glass ceramic, which led to impurity in the final materials. An excessive addition of CeO2 (20% and 30%) reduced the remanent magnetization and the saturation magnetization, opposite to what occurs with a small addition of CeO2 (10%). Consequently, the addition of CeO2 into the Zn-ferrite glass ceramic material should be controlled carefully.
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