Optical luminescence excitation spectra of molecular oxygen in the soft x-ray region

B. X. Yang, D. M. Hanson, K. Tohji

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The observation of an anomaly in the optical luminescence excitation spectrum of oxygen in the region of the oxygen K edge is reported. Dispersed luminescence spectra were obtained for x-ray excitation at the pi and sigma resonances, at the anomaly, and in the continuum. These spectra indicate enhanced production of O22+ ions at both the sigma resonance and at the anomaly. The anomaly thus is attributed to a shake-up or shake-off state associated with an antibonding sigma molecular orbital of oxygen. This work also demonstrates that optical luminesence spectra provide state-specific information about the products of core hole excitation and relaxation.

Original languageEnglish
Pages (from-to)1215-1218
Number of pages4
JournalThe Journal of Chemical Physics
Volume89
Issue number3
DOIs
Publication statusPublished - 1988 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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