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Diblock copolymer based self-assembled nanomagnetoelectric
Ren, Shenqiang Briber, Robert M. Wuttig, Manfred
Ren, Shenqiang
Briber, Robert M.
Wuttig, Manfred
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Abstract
A magnetoelectric (ME) composite with controlled nanostructures is synthesized using coassembly of two inorganic precursors with a block copolymer. This solution processed material consists of hexagonally arranged ferromagnetic cobalt ferrite [CoFe2O4 (CFO)] nano cylinders within a matrix of ferroelectric lead zirconium titanate [Pb1.1(Zr(0.53)Ti(0.47))O3(PZT)] when thin films were prepared by spin coating. The initial magnetic permeability of the self-assembled CFO/PZT nanocomposite changes by a factor of 5 through the application of 2.5V. This work also demonstrates that a block copolymer can be used to simultaneously template two compound inorganic phases to form a nanoscale composite.
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This is the publisher's version, also available electronically from http://scitation.aip.org/content/aip/journal/apl/93/17/10.1063/1.3005558.
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2008-10-31
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American Institute of Physics
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Ren, Shenqiang; Briber, Robert M.; Wuttig, Manfred. (2008). "Diblock copolymer based self-assembled nanomagnetoelectric." Applied Physics Letters, 93(11):173507. http://dx.doi.org/10.1063/1.3005558