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Variation of the Electron—Phonon Interaction Strength in Superconducting LaIn3−xSn x

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Low Temperature Physics-LT 13

Abstract

The superconducting transition temperature T c , the magnetic susceptibility, and the thermoelectric power of a large number of pseudobinary alloys with the Cu3Au structure show an oscillatory variation with the number of valence electrons.1 These results have been explained by Brillouin zone effects causing, in addition to variations in the electronic density of states N (0), variations in the electron—phonon interaction strength V Ph.1 Toxen and Gambino2 performed measurements of the specific heat in the system LaIn3− x Sn x . For the composition range 2.5 ≤ x ≤ 3 they also measured T c and found that V Ph remained constant. They concluded that changes in T c are mainly caused by changes in N(0). From transport property measurements Grobman3 concluded that these compounds possess neither local moments nor magnetic phase transitions.

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References

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Author information

Authors and Affiliations

  1. Philips Research Laboratories, Eindhoven, Netherlands

    M. H. van Maaren & E. E. Havinga

Authors
  1. M. H. van Maaren
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  2. E. E. Havinga
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Editor information

Editors and Affiliations

  1. Boulder, Colorado and National Science Foundation, University of Colorado, Washington, D.C., USA

    K. D. Timmerhaus

  2. University of Colorado, Boulder, Colorado, USA

    W. J. O’Sullivan

  3. Los Alamos Scientific Laboratory, University of California, Los Alamos, New Mexico, USA

    E. F. Hammel

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© 1974 Springer Science+Business Media New York

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van Maaren, M.H., Havinga, E.E. (1974). Variation of the Electron—Phonon Interaction Strength in Superconducting LaIn3−xSn x . In: Timmerhaus, K.D., O’Sullivan, W.J., Hammel, E.F. (eds) Low Temperature Physics-LT 13. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-2688-5_78

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  • DOI: https://doi.org/10.1007/978-1-4684-2688-5_78

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4684-2690-8

  • Online ISBN: 978-1-4684-2688-5

  • eBook Packages: Springer Book Archive

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