Figure 1.

Characteristics of the obtained CNT array grown on Si substrate. (a) Morphology (SEM). (b) TEM image of CNTs with the filler in the CNTs channels (1) and walls (2). (c) HRTEM image of a multiwall CNT with the filler in its channel. (d) Raman spectrum. (e) XRD pattern. (f) Mössbauer spectrum.

Labunov et al. Nanoscale Research Letters 2013 8:375   doi:10.1186/1556-276X-8-375
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