| The effect of cr-doping on the structure, dielectric and magnetic properties of BiFeO 3 and Pb(Fe 0.5 Sb 0.5 )O 3 multiferroics | |
| Raevskaya S.I.3; Kubrin S.P.3; Pushkarev A.V.1; Olekhnovich N.M.1; Radyush Y.V.1; Titov V.V.3; Chen H.4; Chou C.-C.2; Malitskaya M.A.3; Raevski I.P.3; Stashenko V.V.3; Sarychev D.A.3 | |
| 2018 | |
| Source Publication | Springer Proceedings in Physics |
| Volume | 207 |
| Pages | 195-208 |
| Abstract | X-ray diffraction and Mössbauer studies of perovskite BiFe Cr O and PbFe Cr Sb O solid solution ceramics, fabricated under high pressure (4–6 GPa) have been carried out. Two morphotropic phase boundaries were revealed in the BiFe Cr O system: one between rhombohedral (R3c) and orthorhombic (Pbam) phases at x ≈ 0.5–0.6 and the other between the orthorhombic (Pbam) and monoclinic (C2/c) phases at x ≈ 0.9. It was found out that substitution of Cr for Fe in BiFeO does not lead to the appearance of a low-spin state of Fe ions, as was predicted by some first-principles calculations. A composition dependence of the magnetic phase transition temperature for BiFe Cr O is very similar to that in the solid solutions of BiFeO with non-magnetic ions, implying the lack of magnetic exchange between Fe and Cr . The reason of such behavior seems to be a difference in their electronic configuration. Addition of Cr to PbFe Sb O leads to a dramatic lowering and diffusion of the dielectric permittivity maximum and its shift to lower temperatures. Thus, Cr substitution for Fe seems to destroy both ferroelectric and magnetic long-range order in perovskite multiferroics. |
| DOI | 10.1007/978-3-319-78919-4_16 |
| URL | View the original |
| Language | 英語 |
| Fulltext Access | |
| Citation statistics | |
| Document Type | Conference paper |
| Collection | University of Macau |
| Affiliation | 1.Scientific Practical Materials Research Centre of NAS of Belarus 2.National Taiwan University of Science and Technology 3.Southern Federal University 4.Universidade de Macau |
| Recommended Citation GB/T 7714 | Raevskaya S.I.,Kubrin S.P.,Pushkarev A.V.,et al. The effect of cr-doping on the structure, dielectric and magnetic properties of BiFeO 3 and Pb(Fe 0.5 Sb 0.5 )O 3 multiferroics[C],2018:195-208. |
| Files in This Item: | There are no files associated with this item. | |||||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment