Figure 3.
AFM (a) 2D image; (b) 3D image; (c) corresponding thickness profiles of ultrathin UBWO.
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.