The hollandite-related structure of Ba2Ti9O20

G. Grzinic, L. A. Bursill, David J. Smith

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

The crystal structure of Ba2Ti9O20 has been determined by comparison of experimental high-resolution electron micrographs with images simulated using structural models deduced from the micrographs in conjunction with crystallochemical principles. The structure consists of lamellae of hollandite-type structure alternating with BaTiO3-like units, which effectively immobilize the Ba ions. This material should be relatively more leach resistant to attack by aqueous sodium chloride solutions. The structure determination clarifies the observation that this material has unique properties as a microwave resonator, compared with other barium and alkali titanate structures.

Original languageEnglish (US)
Pages (from-to)151-163
Number of pages13
JournalJournal of Solid State Chemistry
Volume47
Issue number2
DOIs
StatePublished - Apr 1983
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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