Morphology and structural stability of Pt–Pd bimetallic nanoparticles*
Liu Tun-Donga), Zheng Ji-Wena), Shao Gui-Fanga)†, Fan Tian-Ea), Wen Yu-Huab)
       
Fraction of Pt atoms in each shell for Pt/Pd = 1 in (a) spherical and (b) truncated octahedral nanoparticles.