ArticleCommunications chemistry2024
Direct probing of low-energy intra d-band transitions in gas-phase cobalt clusters.
Article in Communications chemistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Article
- Vibrational spectroscopy, structure and bonding in the family of aluminium-doped niobium clusters, AlNbPhysical chemistry chemical physics : PCCP · 2026Article
- Cerium Dimer Anion and the Contribution of 4f Electrons to Lanthanide Metal-Metal Bonds.Journal of the American Chemical Society · 2025Article
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Authors and funding
6 authors.
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Abstract
The interplay between constituent localized and itinerant electrons of metal clusters defines their physical and chemical properties. In turn, the electronic and geometrical structures are strongly entwined and exhibit strong size-dependent variations. Current understanding of low-energy excited states of metal clusters relies on stand-alone theoretical investigations and few comparisons with measured properties, since direct identification of low-lying states is lacking hitherto. Here, we report on the measurement of low-lying electronic transitions in cationic cobalt clusters using infrared photofragmentation spectroscopy. Broad and size-dependent absorption features were observed within 0.056 - 0.446 eV, well above the energies of the sharp absorption bands caused by cluster vibrations. Complementary time-dependent density functional theory calculations reproduce the main observed absorption features, providing direct evidence that they correspond to transitions between electronic states of mainly d-character, arising from the open d-shells of the Co atoms and the high spin multiplicity of the clusters.
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