Abstract
A high quantity and yield (up to 85%) of boron nitride (BN) nanotubes have been produced using a mechanothermal method. Elemental boron powders were first mechanically milled at room temperature in NH3 atmosphere and subsequently heated in N2 gas at 1200 °C for up to 16 h. The BN nanotubes obtained have either multiwalled cylindrical or bamboolike structures, suggesting different growth processes. The high formation yield of BN nanotubes is due to a high density of nanostructured nuclei created by an extensive milling treatment.
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Chen, Y., Conway, M., Williams, J.S. et al. Large-quantity production of high-yield boron nitride nanotubes. Journal of Materials Research 17, 1896–1899 (2002). https://doi.org/10.1557/JMR.2002.0281
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DOI: https://doi.org/10.1557/JMR.2002.0281