Impurity Doped Simple Metal Clusters: Optical Response

Na 3 O has been generated by reacting preformed sodium clusters with O 2 and N 2 O in a crossed beam pickup arrangement. This ''superalkali'' species was probed by photodepletion spectroscopy coupled with one-photon ionization mass spectroscopy to yield: ͑i͒ a first measure of visible/NIR region photodissociation cross sections showing several broad absorption features, ͑ii͒ a rough determination of the ground state dissociation energy (1.48Ϯ0.04 eV), as well as ͑iii͒ a remeasurement of the ionization potential (3.69Ϯ0.15 eV). The experimental investigations were supplemented by quantum chemical ab initio calculations employing coupled-cluster methods for ground and excited states of Na 3 O. Experiment and theory are in good agreement, allowing a tentative assignment of the Na 3 O depletion spectrum while providing further evidence for the computed D 3h ground state. Observed and calculated dipole-allowed electronic transitions are discussed in terms of the unusual electronic structure of this nominally one excess-electron species.

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Impurity Doped Simple Metal Clusters: Optical Response

Abstract: Existing and future measurements of the optical response properties of monodoped simple metal clusters are discussed.

Cited by 2 publications

References 24 publications

Optical response of bimetallic and doped alkali clusters

Optical response of bimetallic and doped alkali clusters

On the ground and electronically excited states of Na3O: Theory and experiment

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