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We report the fabrication of bimodal nanoporous palladium with pore sizes of ∼50 and 5 nm by electrochemically dealloying a ternary Pd30Ni50P20 metallic glass. The nanostructured palladium is expected to have superior performances in functional applications because of its nanoporous channels for fast mass transport and chemical reactions. This study paves a new way for fabricating novel nanoporous metals by electrochemically dealloying multicomponent metallic glasses.
Yu et al. (2008) studied this question.