Synthesis of Boron Nitride Nanotubes by Self-Propagation High-Temperature Synthesis and Annealing Method
Figure 6
Typical SEM image of the porous SHS precursor at the initial annealing stage (a) and schematic illustration of base growth model of BN nanotubes with small (b) and large (c) diameters. Scale bars: (a) 4 μm.
