Growth of single-layer boron nitride dome-shaped nanostructures catalysed by iron clusters
- Torre, A. La
- Fay, M. W.
- Ben Romdhane, F.
- Skowron, S. T.
- Parmenter, C.
- Davies, A. J.
- Jouhannaud, J.
- Pourroy, G.
- Khlobystov, A. N.
- Brown, P. D.
- Besley, E.
- Banhart, F.
DOIAbstract
© 2016 The Royal Society of Chemistry. We report on the growth and formation of single-layer boron nitride dome-shaped nanostructures mediated by small iron clusters located on flakes of hexagonal boron nitride. The nanostructures were synthesized in situ at high temperature inside a transmission electron microscope while the e-beam was blanked. The formation process, typically originating at defective step-edges on the boron nitride support, was investigated using a combination of transmission electron microscopy, electron energy loss spectroscopy and computational modelling. Computational modelling showed that the domes exhibit a nanotube-like structure with flat circular caps and that their stability was comparable to that of a single bo...
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