Figure 1.
XRD patterns of the as-prepared samples calcined at (a) 500°C, (b) 600°C, and (c) 700°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.