Effect of structure on the electronic density of states of doped lanthanum cuprate

M. R. Norman, G. J. McMullan, D. L. Novikov, Arthur J Freeman

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

We present a series of detailed band calculations on the various structural phases of doped lanthanum cuprate: HTT, LTO, and LTT. The LTO distortion is shown to have little effect on the electronic density of states (DOS). A fit to the pressure dependence of the superconducting transition temperature indicates that only 2.5% of the DOS is affected by the HTT→LTO transition. The LTT distortion also has little effect on the DOS for the experimental value of the octahedral tilt angle. Larger tilt angles, though, lead to a dramatic change in the DOS.

Original languageEnglish
Pages (from-to)9935-9937
Number of pages3
JournalPhysical Review B
Volume48
Issue number13
DOIs
Publication statusPublished - 1993

ASJC Scopus subject areas

  • Condensed Matter Physics

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