Surface core-level phonon broadening of Li(110)

D. M. Riffe and G. K. Wertheim
Phys. Rev. B 61, 2302 – Published 15 January 2000
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Abstract

High-resolution core-level photoemission data from the 1s level of Li(110) have been obtained between 77 and 280 K. Analysis of the data reveals a significant difference in the zero-temperature phonon broadening between the bulk and surface atoms but only a small difference in the effective surface and bulk Debye temperatures. This latter result is in good agreement with an embedded-atom-method calculation of the bulk and surface Debye temperatures of Li. Implications of these results to surface core-level phonon broadening and surface lattice dynamics of the heavier alkali metals are discussed.

  • Received 9 July 1999

DOI:https://doi.org/10.1103/PhysRevB.61.2302

©2000 American Physical Society

Authors & Affiliations

D. M. Riffe

  • Physics Department, Utah State University, Logan, Utah 84322-4415

G. K. Wertheim

  • AT&T Bell Laboratories, Murray Hill, New Jersey 07974

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Vol. 61, Iss. 3 — 15 January 2000

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