Fig. 5. Top: Representative crystalline structure of Cu4Ni alloy and the Al7Cu4Ni intermetallic compound (Cu: blue; Ni: gray; Al: magenta). Bottom left: Cross-sectional SEM picture of Bi-NP Cu12Ni1Al2.6 Bottom right: SEM picture of top-view of Bi-NP Cu12Ni1Al2.6 with bimodal nanoporous structures consisting of micrometer- and nanometer-scale pore channels. Reprinted with permission from ref. 163, copyright 2018, Wiley-VCH.
