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Ioniclike energy structure of neutral core-excited states in free Kr clusters

S. Peredkov, A. Kivimäki, S. L. Sorensen, J. Schulz, N. Mårtensson, G. Öhrwall, M. Lundwall, T. Rander, A. Lindblad, H. Bergersen, S. Svensson, O. Björneholm, and M. Tchaplyguine
Phys. Rev. A 72, 021201(R) – Published 11 August 2005

Abstract

The development of electronic states in krypton clusters is investigated by high-resolution core-level electron spectroscopy. The energy ordering of bulk versus surface 3d1np(n>5) core-excited states in neutral clusters is demonstrated to be reversed to the 3d15p level situation. The cluster 3d16p,7p states are proven to be at a lower energy than the corresponding atomic levels. These findings reveal the ioniclike energy structure of the neutral cluster core-excited levels. The phenomenon is explained by a spatial spread of the excited orbitals over the cluster lattice.

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  • Received 21 March 2005

DOI:https://doi.org/10.1103/PhysRevA.72.021201

©2005 American Physical Society

Authors & Affiliations

S. Peredkov1, A. Kivimäki1,4, S. L. Sorensen1, J. Schulz2,3, N. Mårtensson2,3, G. Öhrwall2, M. Lundwall2, T. Rander2, A. Lindblad2, H. Bergersen2, S. Svensson2, O. Björneholm2, and M. Tchaplyguine3

  • 1Department of Synchrotron Radiation Research, Institute of Physics, Lund University, Box 118, SE-221 00 Lund, Sweden
  • 2Department of Physics, Uppsala University, PO Box 530, SE-751 21 Uppsala, Sweden
  • 3MAX-lab, Lund University, PO Box 118, SE-221 00 Lund, Sweden
  • 4INFM, TASK Laboratory, 34012 Trieste, Italy

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Issue

Vol. 72, Iss. 2 — August 2005

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