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Please use this identifier to cite or link to this item: http://apo.ansto.gov.au/dspace/handle/10238/3950

Title: Neutron Diffraction Investigations of Magnetism in BiFeO3 Epitaxial Films
Authors: Ratcliff, W
Kan, D.
Chen, W.C.
Watson, S.
Chi, S.X.
Erwin, R.
McIntyre, G.J.
Capelli, S.C.
Takeuchi, I.
Keywords: Thin Films
Neutron Diffraction
Magnetism
Polarization
Epitaxy
Crystal Structure
Issue Date: 10-May-2011
Publisher: Wiley-Blackwell
Citation: Ratcliff, W., Kan, D., Chen, W.C., Watson, S., Chi, S.X., Erwin, R., McIntyre, G.J., Capelli, S.C., Takeuchi, I. (2011). Neutron Diffraction Investigations of Magnetism in BiFeO(3) Epitaxial Films. Advanced Functional Materials, 21(9), 1567-1574.
Abstract: The recovery of a modulated magnetic structure in epitaxial BiFeO(3) thin films as revealed by neutron diffraction is reported. The magnetic structure in thin films is found to strongly depend on substrate orientation. The substrate orientation causes different strain-relaxation processes resulting in different thin-film crystal structures. The (110) oriented film with a monoclinic structural phase has a single-domain modulated magnetic structure where the magnetic moment lies in the HHL plane. For the (111) oriented film that has a rhombohedral structure, a modulated structure superimposed on the G-type antiferromagnetic order is found. These results indicate that slight structural modifications in the BiFeO(3) thin film cause drastic changes in the magnetic structure. © 2011, Wiley-Blackwell. The definitive version is available at www3.interscience.wiley.com
URI: http://dx.doi.org/10.1002/adfm.201002125
http://apo.ansto.gov.au/dspace/handle/10238/3950
ISSN: 1616-301X
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