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Controlled growth of epitaxial BiFeO3 films using self-assembled BiFeO3-CoFe2O4 multiferroic heterostructures as a template

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Date

2012-07-01

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AIP Publishing

Abstract

The growth mechanism of a BiFeO3 layer deposited on self assembled (0.65) BiFeO3-(0.35) CoFe2O4 (BFO-CFO) composite thin films was studied. Epitaxial and self-assembled BFO-CFO thin films were deposited on SrTiO3 (111) substrates by pulsed laser deposition and were subsequently used as a seed layer for the deposition of an additional BFO layer. x-ray line scans showed the heterostructures were highly epitaxial. Cross-sectional scanning electron microscopy and focused ion beam images revealed the top BFO layer grew preferentially from BFO nanopillars in the BFO-CFO thin films, thus, demonstrating controlled growth. The multiferroic properties of this new nanostructure were then studied. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4734508]

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Keywords

Pulsed laser deposition, Ferrite thin-films, Batio3-cofe2o4, Nanostructures, Laminate composites, Ymno3, Layer, CO, Physics

Citation

Li, Yanxi; Yang, Yaodong; Yao, Jianjun; et al., "Controlled growth of epitaxial BiFeO3 films using self-assembled BiFeO3-CoFe2O4 multiferroic heterostructures as a template," Appl. Phys. Lett. 101, 022905 (2012); http://dx.doi.org/10.1063/1.4734508

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http://hdl.handle.net/10919/24931

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Scholarly Works, Materials Science and Engineering (MSE)