Charge fluctuations and image potential at oxide-metal interfaces
- 31 October 2002
- journal article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 66 (15)
- https://doi.org/10.1103/physrevb.66.155432
Abstract
We analyze the dynamical response of the Ag metal surface to electronic excitations in a MgO(100)/Ag(100) oxide-metal interface system. Intrinsic and extrinsic surface plasmon excitations are discussed in relation to mutual interactions between the oxide and the metal. A direct relationship is established between the reduction of charge fluctuation energies in the MgO(100) layers and the image charge screening by the Ag(100) metal surfaceKeywords
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