期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.046102
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资金
- Engineering and Physical Sciences Research Council (UK)
Many previous structural studies of molecular adsorbates on metal surfaces indicate that the local coordination and bonding is closely similar to that in organometallic compounds, implying that the metallic substrate has no significant influence. Here we show that such an influence is detectable for one model system, namely, the formate species, HCOO, adsorbed on the atomically rough and smooth (110) and (111) surfaces of Cu, leading to a statistically significant difference (0.09 +/- 0.05 +/- angstrom) in the Cu-O chemisorption bond length. The effect is reproduced in density functional theory calculations.
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