Pentameric PdAu and PdPt nanoparticles on the MgO(1 0 0) surface and their CO and O2 adsorption propertiesMikail Aslan and Roy L. JohnstonEur. Phys. J. B, 91 7 (2018) 138DOI: https://doi.org/10.1140/epjb/e2018-90060-6