Postprint version. Published in Scripta Materialia, Volume 56, Issue 10, February 20, 2007, pages 867-869.
NOTE: At the time of publication, the author Xuan Wang was not yet affiliated with Cal Poly.
The definitive version is available at https://doi.org/10.1016/j.scriptamat.2007.01.037.
An approach for synthesizing micro- and nano-sized gold wires by infiltration and thermolysis is investigated. A porous ZrO2 ceramic preform with aligned pores obtained by unidirectional freezing and freeze-drying is employed as an infiltration template. The sintered porous ZrO2 preform is then infiltrated by a brushing gold solution. The thermolysis is conducted at 600 °C in air. Micro- and nano-sized gold wires are developed within the walls of the pores after thermolysis. The diameter of the gold wires ranges from several hundred nanometers to several microns.
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