Journal of Solid State Chemistry 2018-04-03

X-ray Photoelectron Spectroscopy Study of CaV1-xMoxO3-δ

S.A. Belyakov, M.V. Kuznetsov, S.N. Shkerin

Index: 10.1016/j.jssc.2018.03.042

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Abstract

An investigation was carried out on perovskite-based derivatives of CaV1-xMoxO3-δ using X-ray Photoelectron Spectroscopy (XPS). According to the XRD pattern, the area of homogeneity covers the region from x = 0 to x = 0.6. Wide XPS-peaks of Ca, V, Mo and O are observed, signalling that elements are presented in multiple states. A model for explaining the large chemical shifts of XPS peaks due to different charging effects on different parts of the sample surface is proposed.

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