Figure 4.
HR-TEM images of Fe@CNTs@Pd (a, d), inner particles of CNTs (b, e), surface particles of CNTs (c).
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.