Journal
PHYSICAL REVIEW B
Volume 81, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.033402
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Funding
- Konrad-Adenauer-Stiftung
- Federal State of Baden-Wurttemberg/Germany
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Strain and coordination effects in the adsorption on early transition metals were studied using density-functional theory. We show that, in contrast to late transition metals, several early transition-metal surfaces with a less than half-filled local d band exhibit lower adsorption energies upon lattice expansion and on low-coordinated sites, in agreement with predictions based on the d-band model. This demonstrates that the d-band model can be extended to early transition metals. Implications of these results for hydrogen storage materials are discussed.
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