Atomic-scale surface demixing in a eutectic liquid BiSn alloy

Oleg G. Shpyrko, Alexei Yu. Grigoriev, Reinhard Streitel +6

Resonant x-ray reflectivity of the surface of the liquid phase of the Bi${}_{43}$Sn${}_{57}$ eutectic alloy reveals atomic-scale demixing extending over three near-surface atomic layer…