); and also a semiconducting behavior with an electron hopping mechanism associated to a 3D variable range hopping model. These fi ndings demonstrate that it is indeed possible to fabricate SiC-CNT composites with enhanced physical properties that can be used as multifunctional materials.
A novel approach for fabrication of 3D interconnected carbon nanotube (CNT)–silicon carbide composites is reported by M. Terrones and co‐workers on page 4985. The two‐step fabrication route involves coating CNTs with silicon oxide via a sol‐gel process, followed by spark plasma sintering, during which the SiOx is carbothermally reduced to SiC. A covalently interconnected SiC–CNT network composite with high thermal and electrical conductivities is created.
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