All Symbols in the SiC structures have a particular this means: The number 3 in 3C-SiC refers back to the three-bilayer periodicity of your stacking (ABC) as well as the letter C denotes the cubic symmetry with the crystal. 3C-SiC is the only real achievable cubic polytype. The wurtzite ABAB. https://cncbusbarmachine16936.blogdanica.com/35811959/top-guidelines-of-tungsten-carbide-powder