Sputtering of atoms and excimers upon self-trapping of excitons in solid krypton
Journal Article
·
· Physical Review, B: Condensed Matter; (USA)
- Department of Nuclear Engineering, University of Virginia, Charlottesville, Virginia 22903-2442 (USA) Engineering Physics, University of Virginia, Charlottesville, Virginia 22903-2442 (USA)
Molecular-dynamics simulations are performed to calculate the energy of krypton atoms and excimers sputtered by cavity ejection'' upon trapping of excitons at the surface of the solid. Calculated shifts in the atomic lines of the photoabsorption spectrum are compared with experimentally observed values to test the accuracy of the interaction potentials. In contrast to previous work on argon, only the excimer formed in the singlet state was ejected with a kinetic energy of 0.11 eV. Since none of the long-lived (10{sup {minus}6} sec) triplet-state excited atoms or excimers are ejected, there should be no cavity-ejection'' contribution to the luminescence plume like that observed in argon.
- OSTI ID:
- 5536137
- Journal Information:
- Physical Review, B: Condensed Matter; (USA), Journal Name: Physical Review, B: Condensed Matter; (USA) Vol. 43:7; ISSN 0163-1829; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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