Abstract
Lead titanate (PbTiO3) nano- and microtubes were fabricated by wetting ordered porous alumina and macroporous silicon with precursor oligomers coupled with templated thermolysis. The diameters of the PbTiO3 tubes range from a few tens of nanometers up to one micron. The proper selection of the template allowed for a precise adjustment of their size over two orders of magnitude. Electron microscopy and x-ray diffraction revealed that the tube walls were polycrystalline. The generic approach presented here can be adapted for the fabrication of tubes and rods from a multitude of functional inorganic oxides.
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Zhao, L., Steinhart, M., Yu, J. et al. Lead titanate nano- and microtubes. Journal of Materials Research 21, 685–690 (2006). https://doi.org/10.1557/jmr.2006.0078
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DOI: https://doi.org/10.1557/jmr.2006.0078