Microstructural characterization of MgFe2O4 powders

G. Gusmano*, P. Nunziante, Enrico Traversa, R. Montanari

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The electrical properties of MgFe2O4 spinel are such that it is suitable as a sensing element for humidity measurement devices. One of the most important targets to be reached for this kind of application is the possibility of designing the microstructure of spinel powder compacts, because of its strong relationship with the spinel humidity-sensitive electrical properties. Thermal decomposition of precipitated precursors allows one to achieve this target. This paper deals with the microstructural characterization of MgFe2O4 spinel powder samples, obtained by thermal decomposition of various hydroxide precursors, in comparison with that of MgFe2O4 samples prepared by solid state reaction of the corresponding oxides. The results demonstrate that the hydroxide precipitation process is effective in varying the morphology and the microstructure of the final MgFe2O4 powders with respect to that obtained by solid state reaction.

Original languageEnglish (US)
Pages (from-to)513-526
Number of pages14
JournalMaterials Chemistry and Physics
Volume26
Issue number5
DOIs
StatePublished - Jan 1 1990

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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