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. Author manuscript; available in PMC: 2014 Sep 2.
Published in final edited form as: J Mater Chem A Mater. 2013 Mar 21;1(11):1561–1572. doi: 10.1039/C3TB00551H

Figure 1.

Figure 1

XRD pattern of the Gd2O2S: Yb/Er sample. Vertical lines show the standard peak positions of the Gd2O2S (JCPD File No 26-1422). The inset shows crystal structure of Gd2O2S indicating the locations of Gd (Pink), O (Red) and S (Yellow) atoms.