Morphology-Controlled Synthesis of CeO
2
Microstructures and Their Room Temperature Ferromagnetism
Meng Fanming,Fan Zhenghua,Zhang Cheng,Hu Youdi,Guan Tao,Li Aixia
Fig. 8. XPS of Ce
3
d
(a) and O
1
s
(b) core levels spectra of gear-shape CeO
2
samples prepared with Ce(NO
3
)
3
?6H
2
O of 4 mmol.