Figure 1 (IMAGE)
Caption
The illustration of the construction of composite energy trap. (a) CeO2/Al2O3; (b) CeO2/Al2O3@SiO2; (c) CeO2/NiAl2O4/Al2O3; (d) CeO2/NiAl2O4/Al2O3@SiO2.
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