Lifetime effects of xenon adsorption on the image-potential states of Ru(0001)

W. Berthold; I. L. Shumay; P. Feulner; U. Höfer

doi:10.1007/978-3-642-72289-9_99

Lifetime effects of xenon adsorption on the image-potential states of Ru(0001)

W. Berthold, I. L. Shumay, P. Feulner, U. Höfer

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Abstract

The electron dynamics of the image-potential states of clean and Xe-covered Ru(0001) surfaces was investigated by means of time-resolved two-photon photoemission. Xe adsorption is observed to reduce the coupling of the first image-potential state to the metal and leads to lifetimes that increase from 11 fs in case of the clean surface to 125 fs for a bilay er of Xe. The results are discussed within the framework of a tunneling model wherein the Xe 6s-derived electron affinity level determines the barrier height.

Originalsprache	Englisch
Seiten (von - bis)	330-332
Seitenumfang	3
Fachzeitschrift	Springer Series in Chemical Physics
Jahrgang	63
DOIs	https://doi.org/10.1007/978-3-642-72289-9_99
Publikationsstatus	Veröffentlicht - 1998

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abstract = "The electron dynamics of the image-potential states of clean and Xe-covered Ru(0001) surfaces was investigated by means of time-resolved two-photon photoemission. Xe adsorption is observed to reduce the coupling of the first image-potential state to the metal and leads to lifetimes that increase from 11 fs in case of the clean surface to 125 fs for a bilay er of Xe. The results are discussed within the framework of a tunneling model wherein the Xe 6s-derived electron affinity level determines the barrier height.",

author = "W. Berthold and Shumay, {I. L.} and P. Feulner and U. H{\"o}fer",

year = "1998",

doi = "10.1007/978-3-642-72289-9_99",

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AU - Berthold, W.

AU - Shumay, I. L.

AU - Feulner, P.

AU - Höfer, U.

PY - 1998

Y1 - 1998

N2 - The electron dynamics of the image-potential states of clean and Xe-covered Ru(0001) surfaces was investigated by means of time-resolved two-photon photoemission. Xe adsorption is observed to reduce the coupling of the first image-potential state to the metal and leads to lifetimes that increase from 11 fs in case of the clean surface to 125 fs for a bilay er of Xe. The results are discussed within the framework of a tunneling model wherein the Xe 6s-derived electron affinity level determines the barrier height.

AB - The electron dynamics of the image-potential states of clean and Xe-covered Ru(0001) surfaces was investigated by means of time-resolved two-photon photoemission. Xe adsorption is observed to reduce the coupling of the first image-potential state to the metal and leads to lifetimes that increase from 11 fs in case of the clean surface to 125 fs for a bilay er of Xe. The results are discussed within the framework of a tunneling model wherein the Xe 6s-derived electron affinity level determines the barrier height.

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JO - Springer Series in Chemical Physics

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Lifetime effects of xenon adsorption on the image-potential states of Ru(0001)

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