Abstract
Ferroelectric nanotubes were fabricated by the wetting on the pore wall of porous body such as Anodized Aluminium Oxide (AAO) thin films on silicon substrate. Sol-gel syntheses within the pores create the PbZrTiO3 (PZT) nanotube arrays. The diameter and the aspect ratio of vertically aligned nanopores are about 40 nm and 8, respectively. Ferroelectric properties of PZT nanotubes were observed by the Electrostatic Force Microscope (EFM). These nanotubes should provide promising materials for fundamental investigations on nanoscale ferroelectricity, and be useful in ferroelectric nanostorages media.
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