Photoemission studies of the high-Tc superconductor Ba2YCu3O9-

P. D. Johnson, S. L. Qiu, L. Jiang, M. W. Ruckman, Myron Strongin, S. L. Hulbert, R. F. Garrett, B. Sinković, N. V. Smith, Robert Joseph Cava, C. S. Jee, D. Nichols, E. Kaczanowicz, R. E. Salomon, J. E. Crow

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Abstract

Valence-band photoemission measurements have been made both above and below the Tc of Ba2YaCu3O9- where =2.1. We find similarities to recent calculations of the electronic properties. However, the experimental binding energies are between 1.0 and 1.4 eV further from the Fermi level than the calculation. We suggest that this difference may affect attempts to predict Tc from tight-binding modeling of the electron-phonon mechanism.

Original languageEnglish (US)
Pages (from-to)8811-8813
Number of pages3
JournalPhysical Review B
Volume35
Issue number16
DOIs
StatePublished - Jan 1 1987
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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    Johnson, P. D., Qiu, S. L., Jiang, L., Ruckman, M. W., Strongin, M., Hulbert, S. L., Garrett, R. F., Sinković, B., Smith, N. V., Cava, R. J., Jee, C. S., Nichols, D., Kaczanowicz, E., Salomon, R. E., & Crow, J. E. (1987). Photoemission studies of the high-Tc superconductor Ba2YCu3O9-. Physical Review B, 35(16), 8811-8813. https://doi.org/10.1103/PhysRevB.35.8811