Figure 2.

XPS binding energy profiles. (a) Depth profiles of Zr, Ce, O, Pt, and W for the W/Zr/CeOx/Pt structure, (b) Ce 3d, (c) Zr 3d, and (d) O 1 s in the Zr/CeOx/Pt device.

Ismail et al. Nanoscale Research Letters 2014 9:45   doi:10.1186/1556-276X-9-45
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