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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Kurashima, K.
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Topics
Publications (6/6 displayed)
- 2006In situ electrical probing and bias-mediated manipulation of dielectric nanotubes in a high-resolution transmission electron microscopecitations
- 2002Nanocompositescitations
- 2001Synthesis, HRTEM and electron diffraction studies of B/N-doped, C and BN nanotubescitations
- 2000Large-scale synthesis and HRTEM analysis of single-walled B- and N-doped carbon nanotube bundlescitations
- 2000Ropes of BN multi-walled nanotubescitations
- 2000MoO3 -promoted synthesis of multi-walled BN nanotubes from C nanotube templatescitations
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article
Ropes of BN multi-walled nanotubes
Abstract
<p>Ropes consisting of tens of multi-walled boron nitride (BN) nanotubes and extending up to several μm were synthesized through a chemical reaction involving chemical-vapor-deposited multi-walled carbon (C) nanotube oxidation by B<sub>2</sub>O<sub>3</sub> mixed with either MoO<sub>3</sub> or V<sub>2</sub>O<sub>5</sub> in a flowing N<sub>2</sub> atmosphere. The ropes were analyzed by high-resolution transmission electron microscopy (HRTEM) and electron energy loss spectroscopy (EELS). Tubular shells of BN in the ropes were preferentially assembled in a zigzag form with the [101̄0] direction parallel to the tube/rope axis. Oxidation-induced C nanotube opening at the tip and at wall defects, followed by substitution of C atoms with B and N atoms, and consecutive crystallization of BN shells on the seed nanotubes is thought to underlie the formation mechanism.</p>