We present a simple drop-casting method for preparing multiferroic nano-composite film where BiFeO3 (BFO) nanoparticles (NPs) were evenly dispersed into polyvinyl alcohol (PVA) polymer. BFO NPs used in this work were synthesized by the conventional sol-gel method, having diameter of tens of nm and being in good crystallinity. The BFO NPs were loaded into a highly insulating PVA polymer solution as filler. The multiferroic properties of the film reveal ferromagnetic ordering due to the uncompensated spiral ordering and saturated ferroelectric curves due to the cut-off of current leakage. Moreover, the prepared films show high flexibility and their multiferroicities are preserved well even in a high curved condition, reflecting the possibility for fabricating wearable devices based on multiferroic materials.
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9 February 2015
Research Article|
February 10 2015
Multiferroic properties of stretchable BiFeO3 nano-composite film
J. S. Hwang;
J. S. Hwang
1Department of Physics,
Hanyang University
, Seoul 133-791, South Korea
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J. Y. Cho;
J. Y. Cho
2Nano-Bio Convergence Research Center, Advanced Institutes of Convergence Technology,
Seoul National University
, Suwon 443-270, South Korea
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S. Y. Park;
S. Y. Park
2Nano-Bio Convergence Research Center, Advanced Institutes of Convergence Technology,
Seoul National University
, Suwon 443-270, South Korea
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Y. J. Yoo;
Y. J. Yoo
1Department of Physics,
Hanyang University
, Seoul 133-791, South Korea
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P. S. Yoo;
P. S. Yoo
3Department of Electronic Physics,
Hankuk University of Foreign Studies
, Yongin 449-791, South Korea
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B. W. Lee;
B. W. Lee
3Department of Electronic Physics,
Hankuk University of Foreign Studies
, Yongin 449-791, South Korea
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a)
Email: yplee@hanyang.ac.kr. Fax: 82-2-2281-5573
Appl. Phys. Lett. 106, 062902 (2015)
Article history
Received:
December 09 2014
Accepted:
January 15 2015
Citation
J. S. Hwang, J. Y. Cho, S. Y. Park, Y. J. Yoo, P. S. Yoo, B. W. Lee, Y. P. Lee; Multiferroic properties of stretchable BiFeO3 nano-composite film. Appl. Phys. Lett. 9 February 2015; 106 (6): 062902. https://doi.org/10.1063/1.4907220
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