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New method to study the electron-phonon interaction in metals

P. C. van Son, H. van Kempen, and P. Wyder

  • Research Institute for Materials, University of Nijmegen, NL-6525 ED Nijmegen, The Netherlands

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Phys. Rev. Lett. 58, 1567 – Published 13 April, 1987

DOI: https://doi.org/10.1103/PhysRevLett.58.1567

Abstract

A new kind of point-contact spectroscopy is described: The magnitude of the transverse electron focusing signal in a Ag single crystal is measured as a function of the energy of the injected electrons. For low energies, this is a direct measurement of the energy dependence of the electron-phonon interaction strength of electrons in a specific orbit on the Fermi surface. Also for higher energies effects of the anisotropy of the electron-phonon interaction are observed.

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Phys. Rev. Lett. 58, 1567– Published 13 April, 1987
  • Received 12 November 1986

© 1987 American Physical Society

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