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dc.contributor.authorDeng, G-
dc.contributor.authorGuo, P-
dc.contributor.authorRen, W-
dc.contributor.authorCao, S-
dc.contributor.authorMaynard-Casely, HE-
dc.contributor.authorAvdeev, M-
dc.contributor.authorMcIntyre, GJ-
dc.identifier.citationDeng, G., Guo, P., Ren, W., Cao, S., Maynard-Casely, H. E., Avdeev, M., & McIntyre, G. J. (2015) The magnetic structures and transitions of a potential multiferroic orthoferrite ErFeO3. Journal of Applied Physics 117(16), 164105. doi:10.1063/1.4919367en_US
dc.description.abstractRare-earth orthoferrites are very interesting due to their appealing optical and multiferroic properties. In this study, the magnetic structures and transitions of a typical rare-earth orthoferrite, ErFeO3, have been reinvestigated in detail. The spin-reorientation transition of the Fe3+ magnetic phase and the low-temperature magnetic ordering of Er3+ were observed by neutron powder diffraction. The corresponding magnetic structures have been solved anew by symmetry analysis and refinement of the diffraction results. The magnetic moments of Fe3+ align in an antiferromagnetic way along the c axis with a weak ferromagnetic component along the b axis below the Néel temperature and above the spin-reorientation transition. Below the spin-reorientation transition, the Fe3+ moments rotate into an antiferromagnetic ordering state along the b axis with weak ferromagnetic alignment along the c axis. The spin-reorientation takes place in the bc plane. The Er3+ moments align antiferromagnetically with a Cy mode below 4.5 K. For the Fe3+ moments, an additional Cx mode is induced by the ordering of the Er3+ moments. Namely, they change from GyFz mode into CxGyFz mode in the Pnma space-group setting. This study resolves the long-lasting dispute about the magnetic structure of ErFeO3 at low temperature. © 2015 AIP Publishing LLC.en_US
dc.publisherAIP Publishingen_US
dc.subjectRare earthsen_US
dc.subjectMagnetic propertiesen_US
dc.subjectNeutron diffractionen_US
dc.titleThe magnetic structures and transitions of a potential multiferroic orthoferrite ErFeO3en_US
dc.typeJournal Articleen_US
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