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Inelastic electron scattering: Tests of many-electron threshold theory

John D. Dow, Donald R. Franceschetti, and Darryl Lyle Smith

  • Department of Physics and Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801

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Phys. Rev. B 11, 684 – Published 15 January, 1975

DOI: https://doi.org/10.1103/PhysRevB.11.684

Abstract

A test of the many-electron threshold theory is suggested: for transitions from d or f core levels to conduction bands, the inelastic electron scattering spectral shape S(q→, ω) should be dramatically enhanced as the momentum transfer ℏq→ is increased from zero. Using the Doniach, Platzman, and Yue theory, experimental threshold exponents, and calculations of matrix elements, we evaluate both this effect and the effect currently being sought experimentally by Gibbons, Schnatterly, Moog, and Slusky: the flattening with increasing q→ of the L2,3 edges (2p to Fermi level) of Na, Mg, and Al.

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Phys. Rev. B 11, 684– Published 15 January, 1975
  • Received 13 May 1974

© 1975 American Physical Society

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