Ba8CoNb6O24: A d0 dielectric oxide host containing ordered d7 cation layers 1.88 nm apart

  • Phillip M. Mallinson
  • , Mathieu M.B. Allix
  • , John B. Claridge
  • , Richard M. Ibberson
  • , David M. Iddles
  • , Tim Price
  • , Matthew J. Rosseinsky

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

(Figure Presented) Following orders: The cobalt and niobium ions in Ba 8CoNb6O24 are completely ordered in the seven-layer repeat of hexagonal and cubic stacking. Such site-ordered solids may find application as microwave dielectric resonators, for example, in mobile telecommunications. In the structure shown, {CoO6} and {NbO 6} units are red and blue octahedra, respectively, and barium cations are black spheres.

Original languageEnglish
Pages (from-to)7733-7736
Number of pages4
JournalAngewandte Chemie - International Edition
Volume44
Issue number47
DOIs
StatePublished - Dec 2 2005
Externally publishedYes

Keywords

  • Cations
  • Dielectric materials
  • Perovskite phases
  • Transition-metal oxides
  • X-ray diffraction

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