Figure 8.

Growth process of ZnO nanorods in the direction [001]. The growth process is facilitated by the tetrahedral structure of the species Zn[(OH)4]2- which fits well with the (001) surface polyhedra, this phenomenon (spatial resonance) increases the growth in this direction more than in another faces.

SolĂ­s-Pomar et al. Nanoscale Research Letters 2011 6:524   doi:10.1186/1556-276X-6-524
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