期刊
MATERIALS CHARACTERIZATION
卷 59, 期 12, 页码 1805-1808出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.matchar.2008.04.003
关键词
Nanomaterials; Crystal growth; Potassium hollandite; Electron microscopy
类别
资金
- Development Program for Outstanding Young Teachers of HIT
- Georgia Institute of Technology
Single-crystalline potassium hollandite KTi8O16.5 nanowires were synthesized by the molten salt method at 800 degrees C. Scanning electron microscopy observation shows that the nanowires are with octagonal cross-sections, and combined analyses of transmission electron microscopy and the electron diffraction results show that the terminated planes are angled 90 or 60 degrees to the growth direction, [001] crystallography direction. ordering of the potassium cations in the tunnels was revealed by electron diffraction. The mechanism of one-dimensional growth of the nanowires was attributed to the oriented attachment mechanism. (C) 2008 Elsevier Inc. All rights reserved.
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