Abstract
Magnetic hysteresis loops obtained in the fields from 0 to ±2.5 kOe and dielectric permittivity ε (at 1 kHz, 1 MHz, and 8.3 GHz) of (1 – x)BiFeO3–xYMnO3 composite multiferroics (0 ≤ x ≤ 0.5) were studied. Ceramic samples of solid solutions were made by the nitrate process. Compositions (1 – x)BiFeO3–xYMnO3 with 0.1 ≤ x ≤ 0.5 were found to be soft ferromagnetic materials sensitive to weak magnetic fields. Coercive field Hc is about 20–32 Oe for these samples. The maximal magnetization was observed in the sample having x = 0.35. For the samples with 0 ≤ x ≤ 0.4 at T = 300 K, the permittivity was ε ~ 17.6–248.6 at the frequency of 1 kHz, 7.8–63.2 at 1 MHz, and 4 ± 0.3 at 8.3 GHz.
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Mikhaylov, V.I., Dovgii, V.T., Linnik, A.I. et al. Magnetic and Dielectric Properties of (1 – x)BiFeO3–xYMnO3 Multiferroics. Tech. Phys. Lett. 45, 327–330 (2019). https://doi.org/10.1134/S1063785019040102
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DOI: https://doi.org/10.1134/S1063785019040102