Multiferroic properties of stretchable BiFeO3 nano-composite film

Title
Multiferroic properties of stretchable BiFeO3 nano-composite film
Author
이영백
Keywords
MAGNETIC-PROPERTIES; THIN-FILMS; NANOPARTICLES; FERROELECTRICITY; POLARIZATION; SIZE; LA; Nanocomposites; Ferroelectric thin films; Nanopowders; Magnetic films; Multiferroics
Issue Date
2015-02
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v. 106, Page. 62902-62906
Abstract
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. (C) 2015 AIP Publishing LLC.
URI
http://scitation.aip.org/content/aip/journal/apl/106/6/10.1063/1.4907220http://hdl.handle.net/20.500.11754/22140
ISSN
1077-3118; 0003-6951
DOI
10.1063/1.4907220
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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