Cooper minima in the photoemission spectra of solids

Variations of the photoionization cross section of valence states as a function of interatomic distance are studied by means of atomic and solid-state density functional approaches and compared with photoemission data. In contrast to the free atom case, a series of Cooper minima is found for 4d, 5d,...

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Bibliographic Details
Published in:Physical review letters 2000-11, Vol.85 (19), p.4184-4187
Main Authors: Molodtsov, S L, Halilov, S V, Servedio, V D, Schneider, W, Danzenbächer, S, Hinarejos, J J, Richter, M, Laubschat, C
Format: Article
Language:English
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Summary:Variations of the photoionization cross section of valence states as a function of interatomic distance are studied by means of atomic and solid-state density functional approaches and compared with photoemission data. In contrast to the free atom case, a series of Cooper minima is found for 4d, 5d, and 5f states in Pd, Ag, Au, and U metals. The discovered fundamental phenomenon is of high importance for the correct interpretation of photoemission data.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.85.4184