Unoccupied-band narrowing in Na and its effect on the x-ray-absorption K edge
Journal Article
·
· Phys. Rev. Lett.; (United States)
The first Na K-edge absorption measurements are reported. The data reveal a narrowing of the unfilled density of states analogous to that observed in a recent photoemission study of the conduction band and in very good agreement with new band-structure calculations. The narrowing is found to be essential for obtaining compatibility among the K-edge threshold exponent, the L/sub 2,3/-edge exponent, and the singularity index in core-level photoemission.
- Research Organization:
- ATandT Bell Laboratories, Murray Hill, New Jersey 07974
- OSTI ID:
- 6927423
- Journal Information:
- Phys. Rev. Lett.; (United States), Vol. 61:8
- Country of Publication:
- United States
- Language:
- English
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