Photoemission and x-ray-absorption study of the hole-doped ladder syst

T. Mizokawa, K. Ootomo, T. Konishi, A. Fujimori, Z. Hiroi, N. Kobayashi, M. Takano

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

The hole-doped ladder compound (Formula presented)(Formula presented)(Formula presented) has been studied by photoemission and x-ray-absorption spectroscopy. Cluster-model analysis of photoemission spectra and subsequent Hartree-Fock band-structure calculation for (Formula presented) indicate weak ferromagnetic coupling between the ladders. Changes in the overall electronic structure induced by hole doping are similar to those in (Formula presented)(Formula presented)(Formula presented). Spectral weight around the Fermi level ((Formula presented)) increases with x and a weak but finite Fermi edge is established at x=0.20.

Original languageEnglish
Pages (from-to)R13373-R13376
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume55
Issue number20
DOIs
Publication statusPublished - 1997 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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