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The influence of Ni or Pt addition on dealloying behavior of Al 2 Au-based precursors has been investigated considering the formation of nanoporous structure, surface diffusion of Au and activation energy. The results show that ultrafine nanoporous AuNi and AuPt alloys can be fabricated by dealloying Al 66 Au 27.2 Ni 6.8 and Al 66 Au 27.2 Pt 6.8...
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