Phonon softening in NaxCoO2 · yH2O: Implications for the Fermi surface topology and the superconducting state - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2006

Phonon softening in NaxCoO2 · yH2O: Implications for the Fermi surface topology and the superconducting state

Résumé

In this work we investigate the relevance of phonons for the superconductivity in Na0.35CoO2 · 1.3H2O. We measure phonon dispersion in this material as well as in the nonhydrated parent compound Na0.7CoO2 by inelastic x-ray scattering. The measured phonon dispersion along the
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hal-00127977 , version 1 (30-01-2007)

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J.-P. Rueff, M. Calandra, M. d'Astuto, Ph. Leininger, A. Shukla, et al.. Phonon softening in NaxCoO2 · yH2O: Implications for the Fermi surface topology and the superconducting state. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2006, 74, pp.02054R. ⟨10.1103/PhysRevB.74.020504⟩. ⟨hal-00127977⟩
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