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HRTEM images highlight the main features of PdCeM. (a,b) The ceria crystallites are covered by an amorphous layer (2–5 nm thick), delimited by black arrows. Top, left inset in b: EDX spectrum of the amorphous layer; bottom‐left inset in (b): lattice fringes of the ceria crystallites. (c, d) Representative palladium nanoparticles, decorating the ceria crystallites, with corresponding lattice fringes shown as an inset. Adapted with permission from ref. [86]. Copyright 2018 Wiley‐VCH.
