Correlation satellite driven by reduced dimensionality

O. Rader*, E. Vescovo, M. Wuttig, D. D. Sarma, S. Blügel, F. J. Himpsel, A. Kimura, K. S. An, T. Mizokawa, A. Fujimori, C. Carbone

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)


Photoelectron spectra of the ordered surface alloy c(2 × 2) CuMn/Cu(100) show distinct valence band spectral features at higher binding energy, which are most pronounced for the optimal CuMn c(2 × 2) superstructure at half-monolayer Mn deposition. Our analysis comprising resonant photoemission, core level photoemission, inverse photoemission, first-principles local-density calculations, and configuration-interaction cluster-model calculations shows that the data represent the first observation of a valence band satellite caused by the increased electron correlation in an ultrathin metal film.

Original languageEnglish
Pages (from-to)429-434
Number of pages6
JournalEurophysics Letters
Issue number4
Publication statusPublished - 1997 Aug 15
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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