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APS » Journals » Phys. Rev. Lett. » Volume 85 » Issue 19
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Phys. Rev. Lett. 85, 4184–4187 (2000)

Cooper Minima in the Photoemission Spectra of Solids

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S. L. Molodtsov1,*, S. V. Halilov2a,2b, V. D. P. Servedio3, W. Schneider1, S. Danzenbächer1, J. J. Hinarejos1,†, Manuel Richter3, and C. Laubschat1
1Institut für Oberflächenphysik und Mikrostrukturphysik, TU Dresden, D-01062 Dresden, Germany
2aElectron Physics Group, NIST, Gaithersburg, Maryland 20899-8412
2band School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332
3Department of Theoretical Solid State Physics, IFW Dresden, P.O. Box 270016, D-01171 Dresden, Germany

Received 17 April 2000; published in the issue dated 6 November 2000

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.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.4184
DOI:
10.1103/PhysRevLett.85.4184
PACS:
78.70.-g, 79.60.Bm

*On leave from Institute of Physics, St. Petersburg State University, 198904 St. Petersburg, Russia.

†On leave from Departamento de Fisica de la Materia Condensada, Universidad Autonoma de Madrid, E-28049 Madrid, Spain.

 
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