期刊
JOURNAL OF MATERIALS RESEARCH
卷 38, 期 4, 页码 1129-1137出版社
SPRINGER HEIDELBERG
DOI: 10.1557/s43578-022-00824-7
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Calcium hexaluminate forms solid solutions with magnetic ions, allowing for the design of magnetic behavior based on composition. In this study, various synthesis methods of calcium hexaluminate with iron were investigated to determine the maximum percentage of iron that can exhibit magnetic behavior.
Calcium hexaluminate (CA6) forms a broad range of solid solutions by substitution of Al3+ with other cations such as, for example, Fe, Co, Mn, etc. Solid solutions of CA6 with magnetic ions have attracted interest because they allow designing the magnetic behavior depending on the composition of each solid solution. In this paper, we have studied materials pertaining to an area of the CaO-Al2O3-Fe2O3 ternary phase diagram that is potentially interesting, but which has not been too much explored so far. We report on various synthesis methods of calcium hexaluminate with iron in solid solution. The percentages of iron introduced have been varied in order to determine the maximum percentage of iron that can enter into solid solution in the calcium hexaluminate such that the materials obtained exhibit magnetic behavior.
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