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Magnetoelectric nano-Fe3O4∕CoFe2O4∥PbZr0.53Ti0.47O3 composite
Ren, Shenqiang Wuttig, Manfred
Ren, Shenqiang
Wuttig, Manfred
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Abstract
A new magnetoelectric hybrid device composed of a nanoparticulate magnetostrictive iron oxide-cobalt ferritefilm on a piezoelectric lead zirconic titanate crystal serving as both substrate and straining medium is described. Nano-Fe3O4∕CoFe2O4 particles, ranging from 5to42nm, were prepared using a variation of the sol-gel method. A small electric field,5–10kVcm−1, applied at the coercive field of the nano-Fe3O4∕CoFe2O4 component modulates the filmmagnetization up to 10% of the saturationmagnetization of ferrite. At the smallest particle size of 5nm, the coercive field is as low as 25Oe and the inverse ME(E) voltage coefficient is as high as (10.1V∕cmOe)−1.
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This is the publisher's version, also available electronically from http://scitation.aip.org/content/aip/journal/apl/92/8/10.1063/1.2841064.
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2008-02-26
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American Institute of Physics
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Ren, Shenqiang; Wuttig, Manfred. (2008). "Magnetoelectric nano-Fe3O4∕CoFe2O4∥PbZr0.53Ti0.47O3 composite." Applied Physics Letters, 92(8):086502. http://dx.doi.org/10.1063/1.2841064