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Magnesium Alloy Precursor Thin Films for Efficient, Practical Fabrication of Nanoporous Metals

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Abstract

An improved approach to fabrication of nanoporous (np) metals is demonstrated for several metallic systems that were successfully created by dealloying magnesium-based precursor alloys (also containing iridium, nickel, gold, or osmium-ruthenium). A significant advantage is that magnesium alloys can be dealloyed effectively using water or, if needed, dilute acetic acid. The crystal structures of magnesium-based precursor films were significantly different from those of alloys commonly used as precursors. This approach should be generally applicable to np metal synthesis.

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This material is based upon work supported by the National Science Foundation under Grant No. DMR-0847693 and Grant No. CMMI-0928845. This research work was partially supported by a grant from the Kentucky Science and Engineering Foundation as per Grant Agreement #KSEF-148-502-08-238 with the Kentucky Science and Technology Corporation. The authors acknowledge support of the Electron Microscopy Center at the University of Kentucky.

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Correspondence to T. John Balk.

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Manuscript submitted October 3, 2013.

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Wang, L., Briot, N.J., Swartzentruber, P.D. et al. Magnesium Alloy Precursor Thin Films for Efficient, Practical Fabrication of Nanoporous Metals. Metall Mater Trans A 45, 1–5 (2014). https://doi.org/10.1007/s11661-013-2127-7

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  • DOI: https://doi.org/10.1007/s11661-013-2127-7

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