Investigation of magnetic phase transitions in diluted ferrites: Nickel ferrite |
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| Authors: | A. A. Opalenko A. I. Firov A. B. Korshak L. G. Antoshina |
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| Affiliation: | 1.Department of Solid State Physics, Faculty of Physics,Moscow State University,Moscow,Russia;2.Department of General Physics and Magneto-Ordered Media Faculty of Physics,Moscow State University,Moscow,Russia |
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| Abstract: | The Mössbauer spectra of nickel ferrite NiGa x Al x Fe2 ? 2x O4 were measured with significant dilution by nonmagnetic ions (with x = 0.5, 0.7, and 0.8). In the temperature range of 90–295 K, the ratio of the near- and long-range forces was experimentally found and the Curie temperatures were determined. |
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