Figure 2.

SEM micrographs of the as-grown ACNTs at 825°C. (a, b) The Cross-sectional view of the dense block of the CNTs. The complete block of ACNTs' side-view shows the parallel arrangement of the CNTs in the block.

Kumar et al. Nanoscale Research Letters 2011 6:92   doi:10.1186/1556-276X-6-92
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