Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters
J. Tiggesbäumker, L. Köller, K.-H. Meiwes-Broer, Chemical Physics Letters 260 (1996) 428–432.
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Abstract
We report measurements of the photodestruction cross sections of small sputtered negatively charged silver clusters (AgN−, 5 ≤ N ≤ 19). Resonance-like peaks are observed in the optical spectra which can be attributed to collective electron excitations. In contrast to neutral and positively charged clusters, the resonance energies are far above the electron emission threshold. With decreasing cluster size the resonance positions distinctly shift towards lower energies. This red-shift is explained by an extension of a semi-empirical model by Liebsch which we previously used to interpret the blue-shift in AgN+ [J. Tiggesbäumker, L. Köller, K.H. Meiwes-Broer and A. Liebsch, Phys. Rev. A 48 (1993) R1749], now including the polarizabilities of small metal clusters.
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Zeitschriftentitel
Chemical Physics Letters
Band
260
Zeitschriftennummer
3-4
Seite
428-432
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Tiggesbäumker J, Köller L, Meiwes-Broer K-H. Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters. Chemical Physics Letters. 1996;260(3-4):428-432. doi:https://doi.org/10.1016/0009-2614(96)00950-5
Tiggesbäumker, J., Köller, L., & Meiwes-Broer, K.-H. (1996). Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters. Chemical Physics Letters, 260(3–4), 428–432. https://doi.org/10.1016/0009-2614(96)00950-5
Tiggesbäumker J, Köller L and Meiwes-Broer K-H (1996) Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters. Chemical Physics Letters 260, 428–432.
Tiggesbäumker, Josef, Lars Köller, and Karl-Heinz Meiwes-Broer. “Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters.” Chemical Physics Letters 260, no. 3–4 (1996): 428–32. https://doi.org/10.1016/0009-2614(96)00950-5.
Tiggesbäumker, Josef, Lars Köller und Karl-Heinz Meiwes-Broer. 1996. Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters. Chemical Physics Letters 260, Nr. 3–4: 428–432. doi:https://doi.org/10.1016/0009-2614(96)00950-5, .
Tiggesbäumker, Josef ; Köller, Lars ; Meiwes-Broer, Karl-Heinz: Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters. In: Chemical Physics Letters Bd. 260. Amsterdam, Elsevier (1996), Nr. 3–4, S. 428–432
J. Tiggesbäumker, L. Köller, K.-H. Meiwes-Broer, Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters, Chemical Physics Letters. 260 (1996) 428–432.
J. Tiggesbäumker, L. Köller, and K.-H. Meiwes-Broer, “Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters,” Chemical Physics Letters, vol. 260, no. 3–4, pp. 428–432, 1996.
Tiggesbäumker, Josef, et al. “Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters.” Chemical Physics Letters, vol. 260, no. 3–4, Elsevier, 1996, pp. 428–32, doi:https://doi.org/10.1016/0009-2614(96)00950-5.
Tiggesbäumker, Josef et. al. (1996): Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters, in: Chemical Physics Letters 260 (3–4), S. 428–432.
Tiggesbäumker J, Köller L, Meiwes-Broer K-H. Bound-Free Collective Electron Excitation in Negatively Charged Metal Clusters. Chemical Physics Letters. 1996;260(3–4):428–32.
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