X-ray fluorescence/Auger-electron coincidence spectroscopy of vacancy cascades in atomic argon
- National Inst. of Standards and Technology, Gaithersburg, MD (United States). Electron and Optical Physics Div.
- Argonne National Lab., IL (United States). Physics Div.
- E.P.S.R.C. Daresbury Lab., Warrington (United Kingdom)
Argon L{sub 2.3}-M{sub 2.3}M{sub 2.3} Auger-electron spectra were measured in coincidence with K{alpha} fluorescent x-rays in studies of Ar K-shell vacancy decays at several photon energies above the K-threshold and on the 1s-4p resonance in atomic argon. The complex spectra recorded by conventional electron spectroscopy are greatly simplified when recorded in coincidence with fluorescent x-rays, allowing a more detailed analysis of the vacancy cascade process. The resulting coincidence spectra are compared with Hartree-Fock calculations which include shake-up transitions in the resonant case. Small energy shifts of the coincidence electron spectra are attributed to post-collision interaction with 1s photoelectrons.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 515606
- Report Number(s):
- ANL/PHY/PP-91911; ON: DE97008265; TRN: 97:018417
- Resource Relation:
- Other Information: PBD: 1 Dec 1996
- Country of Publication:
- United States
- Language:
- English
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