Directed self-assembly of epitaxial CoFe2O(4)-BiFeO3 multiferroic nanocomposites

Directed self-assembly of epitaxial CoFe2O(4)-BiFeO3 multiferroic nanocomposites

CoFe(2)O(4) (CFO)-BiFeO(3) (BFO) nanocomposites are an intriguing option for future memory and logic technologies due to the magnetoelectric properties of the system. However, these nanocomposites form with CFO pillars randomly located within a BFO matrix, making implementation in devices difficult....

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Bibliographic Details
Published in:Nano letters Vol. 12; no. 5; pp. 2367 - 2373
Main Authors: Comes, Ryan, Liu, Hongxue, Khokhlov, Mikhail, Kasica, Richard, Lu, Jiwei, Wolf, Stuart A
Format: Journal Article
Language:English
Published: United States 09-05-2012
Online Access:Get full text
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Summary:CoFe(2)O(4) (CFO)-BiFeO(3) (BFO) nanocomposites are an intriguing option for future memory and logic technologies due to the magnetoelectric properties of the system. However, these nanocomposites form with CFO pillars randomly located within a BFO matrix, making implementation in devices difficult. To overcome this, we present a technique to produce patterned nanocomposites through self-assembly. CFO islands are patterned on Nb-doped SrTiO(3) to direct the self-assembly of epitaxial CFO-BFO nanocomposites, producing square arrays of CFO pillars.
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ISSN:1530-6992
DOI:10.1021/nl3003396