Fig. 4 | Scientific Reports

Fig. 4

From: Structural analysis of \(\hbox{Sn}\) on \({\hbox{Au}(111)}\) at low coverages: Towards the \({\hbox {Au}_{2}\hbox {Sn}}\) surface alloy with alternating fcc and hcp domains

Fig. 4

Analysis of the internal structure of the different structural phases using high-resolution XPS spectra of the \(\hbox{Sn}\,\hbox{4d}\) core level. The spectra were taken at a photon energy of \(\hbox{h}\nu ={240}\,\hbox {eV}\) under emission angles of \(\Theta ={0}^{\circ }\) and \(\Theta ={60}^{\circ }\) in the top and bottom row, respectively. Table 2 presents the corresponding fit parameters.

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