core level spectra for the phase taken with a photon energy of 100 eV and emission angles of and .
core level spectra for the taken with a photon energy of 100 eV. The upper spectrum is recorded at a surface sensitive mode of .
Top view of surface structural model for the, model. Different surface atoms are marked with different hatch. The surface unit cell is indicated with thick dashed lines.
(a) and (a) core level spectra for the phase taken with a photon energy of 100 eV and emission angles of and .
The major curve fitting parameters using spin-orbit doublets in Voigt function from optimized for the spectra shown in Figs. 1 and 2. The values of the intensities in parentheses are taken at surface sensitive mode. The surface core-level shift (SCLS) with regard to the bulk component B, and the Gaussian width of each decomposed component are given.
The parameters used in the curve fitting analysis for the surface.
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