Figure 3.
ZFC (filled circles) and FC (open circles) curves under 10 mT applied field for samples (A) Fe3O4-14nm, (B) Fe3O4-35nm, and (C) Fe3O4-350nm.
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.