de Haas-van Alphen effect in single crystal MgB2

E. A. Yelland, J. R. Cooper, A. Carrington, N. E. Hussey, P. J. Meeson, S. Lee, A. Yamamoto, S. Tajima

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110 Citations (Scopus)


Observations of quantum oscillations in single crystals of the high temperature superconductor MgB2 were reported. Three dHvA frequencies were resolved to two distinct orthogonal Fermi surfaces parallel to the main symmetry axes of MgB2. Comparison with band structure suggested that the electron-phonon enhancement was large for the c-axis tube and much smaller for the in-plane electron-like tube. It was found from the comparisions of the band structures, that the electron-phonon coupling strength was a fctor of ∼3 larger for the c-axis tube orbits than for the in-plane network orbit.

Original languageEnglish
Article number217002
Pages (from-to)2170021-2170024
Number of pages4
JournalPhysical Review Letters
Issue number21
Publication statusPublished - 2002 May 27
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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