Reduction of magnesium orthovanadate Mg3(VO4)2

Xiandong Wang, Hong Zhang, Wharton Sinkler, Kenneth R Poeppelmeier, Laurence D. Marks

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Abstract

Reduction of polycrystalline and crystalline magnesium orthovanadate Mg3V2O8 by hydrogen was investigated in the temperature range of 560-920°C. A single crystal of orthorhombic Mg3V2O8 with a cation-deficient-spinel structure (25% of the magnesium atoms on octahedral sites are vacant) was transformed into cubic Mg3V2O6 which has a cation-stuffed-spinel structure (8a and 16c sites were partially occupied by magnesium and 16d sites were fully occupied by magnesium and vanadium) at 560°C in 7% H2 in N2.

Original languageEnglish
Pages (from-to)88-94
Number of pages7
JournalJournal of Alloys and Compounds
Volume270
Issue number1-2
Publication statusPublished - May 29 1998

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Keywords

  • Deficient-spinel
  • MgVO
  • MgVO
  • Stuffed-spinel

ASJC Scopus subject areas

  • Metals and Alloys

Cite this

Wang, X., Zhang, H., Sinkler, W., Poeppelmeier, K. R., & Marks, L. D. (1998). Reduction of magnesium orthovanadate Mg3(VO4)2. Journal of Alloys and Compounds, 270(1-2), 88-94.