Coaxial nanocables: Fe nanowires encapsulated in BN nanotubes with intermediate C layers |
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| Affiliation: | 1. Birjand University of Technology, Department of Chemical Engineering, Birjand, P.O. Box 97175/569, Iran;2. Department of Chemistry, Sharif University of Technology, PO Box 11465-9516, Tehran, Iran;3. Department of Chemistry, University of Missouri-Columbia, Columbia, MO 65211, USA |
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| Abstract: | Fe-filled BN nanocables with intermediate C layers were fabricated. Complete phase separation between C and BN was distinguished using electron energy loss spectroscopy (EELS) measurements and high-resolution transmission electron microscopy (HRTEM) images by the characteristics of well-ordered BN layers and turbostratic C ones. A two-step growth model is proposed for the formation of this remarkable structure. The idea of introducing intermediate C layer, overcoming the wetting restriction of BN surface, may be employed for fabrication of BN nanocables filled with other metal cores. |
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