Charge transfer and the effective Coulomb interaction at metal surfaces
- 15 December 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 26 (12) , 6476-6479
- https://doi.org/10.1103/physrevb.26.6476
Abstract
The change in electrostatic potential due to charge transfer on or off a crystal surface is estimated for a number of fcc, bcc, and hcp surfaces and the results are compared with the observed surface-to-bulk core-photoelectron binding-energy shifts. The effective Coulomb interaction associated with such charge transfer can be larger than the intra-atomic interaction term alone and hence larger than the bandwidth for typical transition metals. Some implications for chemisorption and layered structures are noted.Keywords
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