Figure 10.
The SEM images of ZnO-Fe3O4 3DIO samples with the Fe/Zn atom ratios of (a) 0:10, (b) 1:10, (c) 2:10, and (d) 3:10 samples [135]. Reprint permission was obtained from Elsevier.
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.