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

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

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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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 (CC BY 3.0).

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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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