Synthetic Strategies for New Inorganic Oxide Flourides and Oxide Sulfates

Lisa Gillie, C. Greaves, J. L. Kissick, M. G. Francesconi, L. D. Aikens

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)


The low temperature fluorination of low dimensional mixed metal oxides can be achieved in a variety of ways to provide new structures and modified electronic characteristics. The potential of these methods for the synthesis of new materials is considered, with particular reference to the fields of copper oxide superconductors and layered manganese oxide colossal magnetoresistance (CMR) phases; in both areas, careful structural and electronic control is necessary for optimised properties. The fluorination mechanisms are quite complex, and this paper describes the synthesis of three new oxide fluorides: La1.9Sr1.1Cu2O5F2, PbSr2YCU3O6F4 and La1.2Sr1.8Mn2O7F2, via processes which involve anion insertion, anion substitution and cation extraction. The use of a related strategy to incorporate more complex anions into oxides is also discussed, and the assimilation of SO42- ions into Bi2O3 to give phases of composition Bi2O(3-x)(SO4)(x) is described.

Original languageEnglish
Pages (from-to)111-116
Number of pages6
JournalJournal of Materials Chemistry
Issue number1
Publication statusPublished - 1 Jan 1999
Externally publishedYes


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