A surface structural study of the √3 × √3 R30° Cl/Ni(111) adsorbate system was made using low-temperature angle-resolved photoemission extended fine structure. The experiments were performed along two emission directions,  and , and at two temperatures, 120 and 300 K. The multiple-scattering spherical-wave analysis determined that the Cl atom adsorbs in the fcc threefold hollow site, 1.837(8) Å above the first nickel layer, with a Cl-Ni bond length of 2.332(6) Å, and an approximate 5% contraction between the first and the second nickel layers (the errors in parentheses are statistical standard deviations only).
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Copyright American Physical Society, used with permission
Huang, Z. Q.,
Schach von Wittenau, A. E.,
Lindle, D. W.,
Shirley, D. A.
Surface Structure of √3x√3R 30 Cl/Ni(111) Determined Using Low-temperature Angle-Resolved-Photoemission Extended Fine Structure.
Physical Review B, 44(24),
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