An automated tensor LEED analysis of the Ni{111}-c(4×2)-2CO structure

✍ Scribed by L.D. Mapledoram; M.P. Bessent; A. Wander; D.A. King

• Publisher: Elsevier Science
• Year: 1994
• Tongue: English
• Weight: 755 KB
• Volume: 228
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(94)00985-6

✦ Synopsis

The Ni{ 111 }-c( 4 x 2)-2C0 system has been studied using fully dynamic low-energy electron diffraction. CO is found to occupy both hcp and fee threefold hollow sites. This is in contrast to earlier conclusions from vibrational spectroscopy where assignment was made to bridge sites. This study also represents an improvement over earlier SEXAFS and photoelectron diffraction studies in that the full surface geometry is obtained revealing significant bucklings of the nickel first and second surface layers and points to possible bends and tilts of the CO molecules.