Fig. 1.
XRD patterns of the BaGdF5, NaGdF4, and GdF3 doped with 2.5 % Ce3+ and either 2.5 % Tb3+ or 2.5 % Eu3+ ions synthesized by hydrothermal method at 180 °C for 2 h
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.