Electron diffraction and 47,49Ti and 17O NMR studies of natural and synthetic brookite

被引：20

作者：

Bastow, TJ

Doran, G

Whitfield, HJ

机构：

[1] CSIRO, Div Mfg Sci & Technol, Rosebank MDC, Clayton, Vic 3169, Australia

[2] Royal Melbourne Inst Technol, Dept Appl Phys, Melbourne, Vic 3001, Australia

来源：

CHEMISTRY OF MATERIALS | 2000年 / 12卷 / 02期

关键词：

D O I：

10.1021/cm990486m

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：436 / 439

页数：4

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