Electron Diffraction and Ti-47,Ti-49 and O-17 Nmr Studies of Natural and Synthetic Brookite

T. J Bastow, Gregory Doran, H. J. Whitfield

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Abstract

Brookite, TiO2, synthesized by hydrothermal processing of a titanium oxide gel was shown by powder X-ray and single-crystal electron diffraction to consist of very well ordered single crystals. The titanium coupling constant determined from Ti-47,Ti-49 NMR spectroscopy is intermediate between the coupling constants for anatase and rutile. O-17 NMR spectroscopy locates the two crystallographically inequivalent oxygen atoms in brookite. Electron diffraction and microscopy and Ti NMR show that a comparison sample of naturally occurring brookite has many more defects.
Original languageEnglish
Pages (from-to)436-439
Number of pages4
JournalChemistry of Materials
Volume12
Issue number2
DOIs
Publication statusPublished - 2000

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