Wang, C., Yang, L., Li, Z., Zeng, M., Zhang, A., Qin, M., Lu, X., Gao, X., Gao, J. and Lam, K. H. (2017) Giant room temperature multiferroicity and domain structures in hot-press sintered Bi0.85Sm0.15Fe0.97Sc0.03O3 ceramics. Ceramics International, 43(15), pp. 12764-12769. (doi: 10.1016/j.ceramint.2017.06.163)
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Abstract
In this work, Bi0.85Sm0.15Fe0.97Sc0.03O3 ceramics were prepared by rapid hot pressing. Their crystal structures, dielectric and multiferroic properties were studied with an emphasis on microscopic ferroelectric and ferromagnetic domains characterizations. X-ray diffraction data revealed a diphase structure consisting of rhombohedra R3C and orthorhombic Pbnm. The ferroelectric polarization and magnetization measurements showed the ceramics， possessing simultaneously a giant remanent polarization of 42.36 μC/cm2 and a high remanent magnetization of 0.134 emu/g at room temperature. Moreover, the regularly striped ferroelectric and ferromagnetic domain structures have been identified and analyzed by combining transmission electron microscopy and piezoresponse/magnetic force microscopy.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Lam, Dr Koko |
| Authors: | Wang, C., Yang, L., Li, Z., Zeng, M., Zhang, A., Qin, M., Lu, X., Gao, X., Gao, J., and Lam, K. H. |
| College/School: | College of Science and Engineering > School of Engineering > Systems Power and Energy |
| Journal Name: | Ceramics International |
| Publisher: | Elsevier |
| ISSN: | 0272-8842 |
| ISSN (Online): | 1873-3956 |
| Related URLs: |
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