Figure 7.
AFM 10 × 10 μm2 topography image of the as-exfoliated HOPG sample. The surface appears clean and several steps can be observed.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.