Extended Data Fig. 7: Example of a seamless SEG/QFSG junction.
From: Ultrahigh-mobility semiconducting epitaxial graphene on silicon carbide

The junction was produced by depositing an Al2O3 strip, 80 µm wide, and intercalating hydrogen at 700 C.
From: Ultrahigh-mobility semiconducting epitaxial graphene on silicon carbide

The junction was produced by depositing an Al2O3 strip, 80 µm wide, and intercalating hydrogen at 700 C.