Interstitial positions of tin ions in alpha-(FerichSn)(2)O-3 solid solutions prepared by mechanical alloying

Jianzhong Jiang, Rong Lin, Kurt Nielsen, Steen Mørup, D.G. Rickerby, R. Clasen

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Abstract

The microstructure of samples of 91, 85, and 71 mol % alpha-Fe-2-O-3-SnO2. prepared by mechanical alloying, has been studied by x-ray diffraction with Rietveld structure refinements, On the basis of the structure refinements to the whole x-ray diffraction patterns for the four as-milled samples, it is found that tin ions do not substitute iron ions in the solid solution, although this model is generally assumed in the literature. The Sn4+ ions occupy the empty octahedral holes in the lattice of the alpha-Fe2O3 phase.
Original languageEnglish
JournalPhysical Review B Condensed Matter
Volume55
Issue number22
Pages (from-to)14830-14835
ISSN0163-1829
DOIs
Publication statusPublished - 1997

Bibliographical note

Copyright (1997) by the American Physical Society.

Keywords

  • SYSTEM
  • FINE PARTICLES

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