Multiple-walled BN nanotubes obtained with a mechanical alloying technique
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An experimental method to obtain multiple-walled nanotubes of BN using low energy is presented. The method is based on the use of mechanical alloying techniques with elemental boron powders and nitrogen gas mixed in an autoclave at room temperature. The chemical and structural characteristics of the multiple-walled nanotubes were obtained using different techniques, such as X-ray diffraction, transmission electron microscopy, EELS microanalysis, high-resolution electron microscopy images and theoretical simulations based on the multisliced approach of the electron diffraction theory. This investigation clearly illustrates the production of multiple-wall BN nanotubes at room temperature. These results open up a new kind of synthesis method with low expense and important perspectives for use in large-quantity production.
KeywordsTransmission Electron Microscopy Boron Expense Electron Diffraction Microscopy Image
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- 12.R.R. Chianelli, G. Berhault, P. Santiago, D. Mendoza, A. Espinosa, J.A. Ascencio, M. José Yacamán: Mat. Tech. Incorp. Adv. Perf. Mat. 15, 54 (2000)Google Scholar