New layered copper oxide: LaSrCuAlO5

J. B. Wiley, L. M. Markham, J. T. Vaughey, T. J. McCarthy, M. Sabat, S. J. Hwu, S. N. Song, J. B. Ketterson, K. R. Poeppelmeier

Research output: Contribution to journalConference articlepeer-review

3 Citations (Scopus)

Abstract

Square-pyramidal coordination of copper and Cu-O planes are common structural features in many of the high Tc oxide superconductors that support this state. These poorly screened (highly ionic) compounds have occupied Cu-O dpπ bonding orbitals and empty Cu-O dpσ anti-bonding orbital partners. The combination of four and six coordination leads to similar layered structures and Cu-O σ and π bonding. Our recent efforts preparing quaternary oxides with strongly basic counter cations, small tetrahedrally coordinated cations and copper have led to a new series of layered copper oxides.

Original languageEnglish
Pages (from-to)304-314
Number of pages11
JournalACS Symposium Series
Issue number377
Publication statusPublished - 1988
EventChemistry of High-Temperature Superconductors II - Los Angeles, CA, USA
Duration: Sep 25 1988Sep 30 1988

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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