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Type Chen, Yu-chen Karen; Chu, Yong S.; Yi, JaeMock; McNulty, Ian; Shen, Qun; Voorhees, Peter W.; Dunand, David C.
  Publication Morphological and topological analysis of coarsened nanoporous gold by x-ray nanotomography Volume Journal Article
Pages 2010
  Abstract Applied Physics Letters  
  Corporate Author Appl. Phys. Lett.  
Publisher 96  
Editor 4
  Summary Language 043122-043122 Series Editor computerised tomography; diffusion; gold alloys; nanoporous materials; phase separation; silver alloys; X-ray microscopy  
Abbreviated Series Title We used x-ray nanotomography to characterize the three-dimensional (3D) morphology and topology of dealloyed nanoporous gold after coarsening. The interface shape distribution obtained from the nanotomography measurement shows that the coarsening does not proceed by bulk diffusion. The surface normal distribution shows that the morphology of the nanoporous gold is anisotropic. The topology of nanoporous gold is similar to that of other bicontinuous structures created by phase separation, despite the radically different method used to produce the structures. This work opens the door to time-resolved, in situ studies of coarsening of nanoporous gold in 3D.
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0003-6951 no NU @ m-krug @ 110 10847
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