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Materials 2010, 3(12), 5274-5282; doi:10.3390/ma3125274
Article

Chemistry of the Fe2O3/BiFeO3 Interface in BiFeO3 Thin Film Heterostructures

1
,
2
,
1
 and
1,*
1 School of Materials Science and Engineering, University of New South Wales, Sydney NSW 2052, Australia 2 SuperSTEM Laboratory, STFC Daresbury, Keckwick Lane, Daresbury WA4 4AD, UK
* Author to whom correspondence should be addressed.
Received: 10 November 2010 / Revised: 2 December 2010 / Accepted: 13 December 2010 / Published: 14 December 2010
(This article belongs to the Special Issue Advances in Ferroelectric & Piezoelectric Materials)
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Abstract

We investigate the interfacial chemistry of secondary Fe2O3 phases formed in a BiFeO3 (BFO) layer in BFO/ La0.67Sr0.33MnO3 (LSMO)/SrTiO3 (STO) heterostructures. A combination of high-resolution spherical aberration corrected scanning TEM and spectroscopy results, reveals that specific chemical and crystallographic similarities between Fe2O3 and BFO, enable the BFO layer to form a facile host for Fe2O3.
Keywords: mutliferroic BiFeO3; perovskite; Z-contrast imaging; EELS mutliferroic BiFeO3; perovskite; Z-contrast imaging; EELS
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Arredondo, M.; Ramasse, Q.M.; Bogle, K.; Nagarajan, V. Chemistry of the Fe2O3/BiFeO3 Interface in BiFeO3 Thin Film Heterostructures. Materials 2010, 3, 5274-5282.

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