Completion of the structural determination of and rationalization of the surface-structure sequence (2{times}1){r_arrow}(3{times}3){r_arrow}(4{times}4) formed on Cu(001) with increasing Li coverage

Journal Article · Sun Oct 15 00:00:00 EDT 1995 · Physical Review, B: Condensed Matter

OSTI ID:122346

Mizuno, S; Tochihara, H ^[1]; Barbieri, A; Van Hove, M A ^[2]

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1. Catalysis Research Center, Hokkaido University, Kita-ku, Sapporo 060 (Japan)
2. Materials Sciences Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720 (United States)

With increasing Li coverage, the surface structure of Cu(001) evolves as (2{times}1){r_arrow}(3{times}3){r_arrow}(4{times}4) at room temperature. We here report the detailed structure of the most complex (4{times}4) phase determined by a dynamical low-energy electron diffraction (LEED) analysis with symmetrized automated tensor LEED. This completes the solution of these structures and allows a rationalization of their formation. The unit cell of the (4{times}4) structure consists of four Li adatoms forming a square cluster located on top of islands of nine Cu atoms; the islands are separated and joined by rows of substituting Li atoms.

• Research Organization: Lawrence Berkeley National Laboratory
• DOE Contract Number: AC03-76SF00098
• OSTI ID: 122346
• Journal Information: Physical Review, B: Condensed Matter, Journal Name: Physical Review, B: Condensed Matter Journal Issue: 16 Vol. 52; ISSN PRBMDO; ISSN 0163-1829
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
ADSORBENTS
ADSORPTION
COPPER
CRYSTAL STRUCTURE
ELECTRON DIFFRACTION
LITHIUM
SURFACES