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. 2013 Jan 10;2(1):21–24. doi: 10.1002/open.201200041

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Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Re-use of this article is permitted in accordance with the Creative Commons Deed, Attribution 2.5, which does not permit commercial exploitation.

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SEM top-view and cross-sectional-view (inset) images. A) TiO₂ nanotubes on Ti (Ti-NT); B) TiO₂ nanotubes on (TiPd-NT); C, E) Cu deposition on Ar-annealed TiO₂ nanotubes on Ti (Ti-NT/Cu); D, F) Cu deposition on Ar-annealed TiO₂ nanotubes on TiPd (TiPd-NT/Cu) [E and F are ion-milled cross-sections]; G) TEM image of TiPd-NT/Cu, thermally treated at 140 °C, with the TEM-SAD patterns.