Completion of the determination of complex surface structures formed on low-index planes of copper single crystal by Li deposition: Cu(110)-(4 × 1)-3Li

With increasing Li coverage on Cu(110), (n×1) (4 ≤ n ≤ 8) structures follow the (1 × 2) missing-row structure at room temperature. We determine the (4 × 1) structure by a dynamical low-energy electron diffraction (LEED) analysis with symmetrized automated tensor LEED. This completes the solution of the complex surface structures formed on low-index planes of copper single crystal by Li deposition. Every fourth Cu row in the [001] direction is substituted by Li atoms and the remaining Cu rows are covered by Li adatoms. Features of this structure, denoted as Cu(110)-(4 × 1)-3Li, are very similar to those of the previously determined Cu(001)-(3 × 3)-5Li, Cu(001)-(4 × 4)-10Li and Cu(111)-(2 × 2)-3Li structures.