Coverage ：100% covered by graphene. Sample properties are dominated by monolayer graphene.

Substrate thickness : 350µm

Conductivity typen : n-type

Substrate : SiC (4H polytype), on-axis, Si-face, semi-insulating

Surface orientation : On axis {0001} ± 0.25⁰

Semi-insulating resistivity : > 1 x 10⁸Ωcm