Structure, Ferroelectric, and Magnetoelectric Properties of Bulk PZT–NiFe1.9Co0.02О4 – δ Composites
| Autor: | S. R. Syrtsov, Yu. V. Medvedeva, V. M. Laletin, V. L. Trublovsky, V. N. Shut, Kazimir Yanushkevich, T. V. Petlitskaya, M. V. Bushinskii |
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| Rok vydání: | 2018 |
| Předmět: |
010302 applied physics
Materials science Spinel 02 engineering and technology Dielectric engineering.material 021001 nanoscience & nanotechnology Condensed Matter Physics Microstructure 01 natural sciences Ferroelectricity Electronic Optical and Magnetic Materials Hysteresis Tetragonal crystal system Ferrimagnetism visual_art 0103 physical sciences engineering visual_art.visual_art_medium Ceramic Composite material 0210 nano-technology |
| Zdroj: | Physics of the Solid State. 60:1744-1751 |
| ISSN: | 1090-6460 1063-7834 |
| Popis: | The phase composition, microstructure, and dielectric, ferroelectric, magnetic, and magnetoelectric properties of bulk ceramic (1 – x)PZT–xNiFe1.9Co0.02О4 – δ composites with 3–0 connectivity have been studied. Using X-ray diffraction and electron microscopy, it has been established that the ferrimagnetic (spinel- like) and ferroelectric (tetragonal perovskite-like) phases separately exist in the composites of all compositions. The simultaneous existence of ferroelectric and ferrimagnetic properties in the composites is confirmed by measuring their P(E) and σ(B) hysteresis loops and studying the temperature dependences of dielectric and magnetic properties. The synthesized composites have high magnetoelectric characteristics: their voltage coefficient at x = 0.4 is 215 mV/A at a frequency of 1 kHz and 130 V/A at an electromechanical resonance frequency of 380 kHz. |
| Databáze: | OpenAIRE |
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