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Unoccupied electronic structure of graphite probed by angle-resolved photoemission spectroscopy

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Author

Summary, in English

We report the observation of anomalous bands in graphite valence band structure in angle-resolved photoemission spectroscopy (ARPES) experiments. The photon energy dependence of these bands shows a constant kinetic energy nature. Our results are supported by the very low energy electron diffraction data reported on graphite surfaces which essentially map the unoccupied states representing the photoemission final states. This suggests that the ARPES technique is capable of probing the unoccupied electronic states governed by the secondary electron emission process, along with the occupied bands of solids.

Department/s

Publishing year

2011

Language

English

Publication/Series

Physical Review B (Condensed Matter and Materials Physics)

Volume

84

Issue

11

Document type

Journal article

Publisher

American Physical Society

Topic

  • Natural Sciences
  • Physical Sciences

Status

Published

ISBN/ISSN/Other

  • ISSN: 1098-0121