Figure 3.
High-resolution TEM images (a–c) and EDS spectra (d) of Fe3O4@SiO2 microspheres.
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.