X-ray Diffraction Imaging of Anatase and Rutile

Abstract

Both anatase and rutile are well-known as stable phases of TiO₂. In real-life samples, TiO₂ is most likely to be a mixture of those phases rather than pure anatase and rutile, and therefore quantitative analysis is extremely important. It is basically possible to determine the average ratio by X-ray diffraction (XRD) using differences in the crystal structure, but it is not easy to do so when attempting mapping by point-by-point scanning. The present paper describes the successful application of newly developed projection-type XRD imaging, which is an extremely rapid and highly efficient method.