All symbols while in the SiC structures have a certain which means: The number three in 3C-SiC refers to the 3-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 attainable cubic polytype. The wurtzite ABAB. https://hectordecay.blogs-service.com/66697033/indicators-on-iron-oxide-red-you-should-know