Journal
ZEITSCHRIFT FUR KRISTALLOGRAPHIE-CRYSTALLINE MATERIALS
Volume 225, Issue 2-3, Pages 56-66Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1524/zkri.2010.1210
Keywords
Tin oxide; Precession electron diffraction
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Funding
- EPSRC [EP/E03725, EP/H017712]
- FEI Company
- CONICET-Argentina
- EPSRC [EP/H017712/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H017712/1] Funding Source: researchfish
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The structure of an intermediate form of tin oxide was investigated by precession electron diffraction. The results support a revised version of a layered, vacancy-ordered structure for Sn3O4 proposed in the preceding literature. The lattice parameters were found to be consistent with a monoclinic cell which is a distorted superlattice of the cassiterite structure. Zero-order Laue zone (ZOLZ) Patterson maps, phased projections and phases measured from a [001] first-order Laue zone (FOLZ) conditional Patterson map all support the proposed modification to the tin coordinates over the unmodified form. The results of kinematical refinement were not satisfactory, although weak features found in the Patterson maps were consistent with the oxygen atoms being located close to the previously proposed positions.
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