Transformation of goethite to maghaemite in CsI disks [9]

S. Yariv*, E. Mendelovici, R. Villalba, M. Cohen

*Corresponding author for this work

Research output: Contribution to journalLetterpeer-review

10 Scopus citations

Abstract

THE formation and stability of γ-Fe2O3 (maghaemite) is still a puzzle, as this oxide is metastable with respect to its isomorphic form α-Fe2O3 (haematite). However, there are increasing reports about its natural occurrence in certain soils and sediments (see ref. 1 and refs therein). Maghaemite, like magnetite, Fe 3O4, is ferrimagnetic and its artificial occurrence may therefore be important in carrying out magnetic concentrations in various processes of iron ores industry2; as well as finding widespread application in the electronic industry3. The artificial preparation of maghaemite is usually carried out by low temperature dehydration of lepidocrocite4, γ-FeOOH, or careful oxidation of powdered magnetite5,6.

Original languageEnglish
Pages (from-to)519-520
Number of pages2
JournalNature
Volume279
Issue number5713
DOIs
StatePublished - 1979

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