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International Journal of Optics
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International Journal of Optics
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2010
/
Article
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Fig 8
/
Research Article
Visible Light Photocatalytic Properties of Ta and N Codoped SrTiO
3
Nanoparticles
Figure 8
X-ray photoemission spectra of SrTi
1-x
Ta
x
O
3-y
N
y
(
), Ti2p (a), Ta4p (b), and Ta4f (c).
(a)
(b)
(c)