(color online) (a) Structures of the Al₅₀Pb₅₀ alloy at different temperatures when the alloy is relaxed to its equilibrium state. (b) Enlarged Al-rich domains at 1200 K and 1100 K in panel (a), (c) Al–Al pair correlation function for Al₅₀Pb₅₀ alloy at its relaxation equilibrium state.