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Stoner-Wohlfarth-type behavior of a close-packed array of high-anisotropy hexaferrite nanoparticles |
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| Authors: | Z. V. Golubenko A. S. Kamzin L. P. Ol’khovik M. M. Khvorov Z. I. Sizova V. P. Shabatin |
| Affiliation: | (1) Karazin Kharkov National University, pl. Svobody 4, Kharkov, 61077, Ukraine;(2) Ioffe Physicotechnical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia;(3) Moscow State University, Vorob’evy gory, Moscow, 119899, Russia |
| Abstract: | Magnetization and remagnetization processes in a close-packed nanodispersed barium hexaferrite powder sample in the magnetically stable state were analyzed. Reversibility effects were discussed in terms of interparticle interaction. Judging from the magnetization curve and the parameters characterizing remagnetization irreversibility, the sample under study is a model system of small Stoner-Wohlfarth particles. |
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