To the limit of the remagnetization energy barrier for the Dy3+-based single ion magnet in the apatite ceramic matrixстатья
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Дата последнего поиска статьи во внешних источниках: 10 апреля 2024 г.
Аннотация:Doping of the (Sr,Ba)10(PO4)6(OH)2 apatite ceramics with a small quantity of Dy2O3 was studied. Formation of the Dy3+ containing high-energy single-ion magnet (SIM) in the apatite structure was confirmed. Partial replacement of Ba for Sr in the structure resulted in a regular increase of the remagnetization energy barrier Ueff from 1043 to 1119 cm-1, while the solubility of Dy3+ in the compound dropped drastically. Ueff followed simple relations with the alkaline-earth metal cation size and the compound composition, highlighting predictability of SIM parameters.