A study of neodymium substituted yttrium iron garnet |
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| Affiliation: | 1. Kazan Federal University, Kremlyovskaya str. 18, 420008 Kazan, Russia;2. Zavoisky Physical-Technical Institute, FRC “Kazan Scientific Center of RAS”, Sibirsky Trakt str. 10/7, 420029 Kazan, Russia;3. Center of Technology Transfer Ltd., Peterburgskaya str. 50, 420107 Kazan, Russia |
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| Abstract: | Yttrium Iron Garnet (3Y2O3, 5Fe2O3), a ceramic magnetic material, belongs to the ferrite family. This research has made a study of this garnet in which a portion of the yttrium has been replaced with neodymium, causing a ferro rather than a ferri magnetic alignment of moments. Precision determination of lattice parameters showed that 1.95 Nd could substitute for Y. Electrical and magnetic evaluations were made for several substituted compositions. Resitivities were 107 − 1011 Ω-cm, depending on processing. For the NdYIG series, the maximum Curie temperature was 295°C, and the maximum saturation magnetization was 2100 G. The initial permeability, μ0, varied from twenty-four to thirty-eight depending on composition. |
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