Multiferroic nanocomposite fabrication via liquid phase using anodic alumina template

We report a novel and inexpensive fabrication process of multiferroic nanocomposite via liquid phase using an anodic alumina template. The sol-gel spin-coating technique was used to coat the template with ferrimagnetic CoFe 2 O 4 . By dissolving the template with NaOH aqueous solution, a unique nano...

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Bibliographic Details
Published in:Science and technology of advanced materials 2018-12, Vol.19 (1), p.535-542
Main Authors: Kawamura, Go, Ohara, Kazuhiro, Tan, Wai Kian, Goto, Taichi, Nakamura, Yuichi, Inoue, Mitsuteru, Muto, Hiroyuki, Yamaguchi, Kazuhiro, Boccaccini, Aldo R., Matsuda, Atsunori
Format: Article
Language:English
Subjects:
102 Porous / Nanoporous / Nanostructured materials
301 Chemical syntheses / processing
40 Optical, magnetic and electronic device materials
Aluminum oxide
Aqueous solutions
Arrays
Barium titanates
BaTiO
BaTiO3
Cobalt ferrites
CoFe
CoFe2O4
Ferrimagnetism
Ferroelectricity
Hysteresis loops
Liquid phases
Multiferroic materials
multiferroicity
Nanocomposites
nanotube arrays
Nanotubes
Optical, Magnetic and Electronic Device Materials
Sol-gel
Sol-gel processes
Spin coating
templating
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Summary:We report a novel and inexpensive fabrication process of multiferroic nanocomposite via liquid phase using an anodic alumina template. The sol-gel spin-coating technique was used to coat the template with ferrimagnetic CoFe 2 O 4 . By dissolving the template with NaOH aqueous solution, a unique nanotube array structure of CoFe 2 O 4 was obtained. The CoFe 2 O 4 nanotube arrays were filled with, and sandwiched in, ferroelectric BaTiO 3 layers by a sol-gel spin-coating method to obtain the composite. Its multiferroicity was confirmed by measuring the magnetic and dielectric hysteresis loops.
ISSN:1468-6996
1878-5514
DOI:10.1080/14686996.2018.1493888