Experimental evidence of interatomic coulombic decay from the Auger final states in argon dimers

Y. Morishita, X. J. Liu, N. Saito, T. Lischke, M. Kato, G. Prümper, M. Oura, H. Yamaoka, Y. Tamenori, I. H. Suzuki, K. Ueda

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Abstract

Interatomic Coulombic decay (ICD) from an Auger-final dicationic state is observed in the Ar dimer. A 2p inner-shell vacancy created by photoionization is replaced with 3s and 3p vacancies via intra-atomic Auger decay. The Auger-final dicationic state is subject to ICD in which one of the 3p electrons in the same Ar atom fills the 3s vacancy while one of the 3p electrons from the neighboring Ar atom is emitted as an ICD electron. This ICD process is unambiguously identified by electron-ion-ion coincidence spectroscopy in which the kinetic energy of the ICD electron and the kinetic energy release between Ar+ and Ar2+ are measured in coincidence.

Original languageEnglish
Article number243402
JournalPhysical Review Letters
Volume96
Issue number24
DOIs
Publication statusPublished - 2006 Jun 30

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Morishita, Y., Liu, X. J., Saito, N., Lischke, T., Kato, M., Prümper, G., Oura, M., Yamaoka, H., Tamenori, Y., Suzuki, I. H., & Ueda, K. (2006). Experimental evidence of interatomic coulombic decay from the Auger final states in argon dimers. Physical Review Letters, 96(24), [243402]. https://doi.org/10.1103/PhysRevLett.96.243402