Abstract

Titanium-antimony oxides formed by the calcination of precipitates at elevated temperatures contain low concentrations of antimony(V) within the rutile titanium(IV) oxide lattice. Electron microscopy has revealed the presence of planar defects which have been shown by electron diffraction to be twin boundaries. Energy dispersive X-ray analysis has not revealed any evidence for the segregation of antimony to these planar faults. No evidence has been found for the occurrence of crystallographic shear planes which are frequently found in rutile when doped with trivalent cations.

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