Negative thermal expansion and photoluminescence in solid solution (HfSc)0.83W2.25P0.83O12–δ*

Project supported by the National Natural Science Foundation of China (Grant Nos. 11574276, 51302249, and 11405028) and the Fundamental Research Fund for the Central Universities, China

Liang Yuan1, 2, †, Cheng Yong-Guang2, Ge Xiang-Hong2, Yuan Bao-He2, Guo Juan2, Sun Qian2, Liang Er-Jun2
       

(color online) (a) Survey scan XPS spectrum of the sample. (b)–(f) XPS spectra corresponding to the Hf 4f, W 4f, Sc 2p, O 1s, and P 2p orbitals.