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Magnetoelectric Effect in Ceramics Based on Bismuth Ferrite
| Content Provider | Scilit |
|---|---|
| Author | Jartych, Elżbieta Pikula, Tomasz Kowal, Karol Dzik, Jolanta Guzdek, Piotr Czekaj, Dionizy |
| Copyright Year | 2017 |
| Abstract | Solid-state sintering method was used to prepare ceramic materials based on bismuth ferrite, i.e., (BiFeO 3) 1 − x–(BaTiO 3) x and Bi 1 − xNd xFeO 3 solid solutions and the Aurivillius Bi 5Ti 3FeO 15 compound. The structure of the materials was examined using X-ray diffraction, and the Rietveld method was applied to phase analysis and structure refinement. Magnetoelectric coupling was registered in all the materials using dynamic lock-in technique. The highest value of magnetoelectric coupling coefficient α ME was obtained for the Bi 5Ti 3FeO 15 compound ( α ME ~ 10 mVcm −1 Oe −1). In the case of (BiFeO 3) 1 − x–(BaTiO 3) x and Bi 1 − xNd xFeO 3 solid solutions, the maximum α ME is of the order of 1 and 2.7 mVcm −1 Oe −1, respectively. The magnitude of magnetoelectric coupling is accompanied with structural transformation in the studied solid solutions. The relatively high magnetoelectric effect in the Aurivillius Bi 5Ti 3FeO 15 compound is surprising, especially since the material is paramagnetic at room temperature. When the materials were subjected to a preliminary electrical poling, the magnitude of the magnetoelectric coupling increased 2–3 times. |
| Related Links | http://europepmc.org/articles/pmc4851679?pdf=render |
| DOI | 10.1515/nano.s11671-016-1436-3 |
| Language | English |
| Publisher | Walter de Gruyter GmbH |
| Publisher Date | 2017-01-01 |
| Access Restriction | Open |
| Subject Keyword | Ceramics Multiferroics Ceramic Materials Bismuth Ferrite Aurivillius Compounds Magnetoelectric Effect |
| Content Type | Text |
| Resource Type | Article |
