An official website of the United States government
Here's how you know
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.
Fig. 3. Top-down and cross-sectional SEM images. Top-down images of (a) WSe2, (b) MoSe2 and (c) the MoSe2/WSe2 heterostructure (d) cross-sectional image.