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 language | English |
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Journal | Physical Review B Condensed Matter |
Volume | 55 |
Issue number | 22 |
Pages (from-to) | 14830-14835 |
ISSN | 0163-1829 |
DOIs | |
Publication status | Published - 1997 |
Bibliographical note
Copyright (1997) by the American Physical Society.Keywords
- SYSTEM
- FINE PARTICLES