Figure 2.

The XPS spectra of NbAlO film chemical composition. (a) The Al 2p peak shows the Al2O3 and (b) the Nb 3d3/2 and 3d5/2 peaks show the Nb2O5 and NbO2, respectively. The B.E. means binding energy in x-axis.

Zhou et al. Nanoscale Research Letters 2013 8:91   doi:10.1186/1556-276X-8-91
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