Abstract

In the present work local surrounding of vanadium atoms in layered copper-chromium disulfides CuCr1 − xVxS2 is investigated using high-resolution X-ray absorption spectroscopy above vanadium K-edge. Based on experimental and theoretically simulated spectra comparison it is shown that vanadium atoms replace chromium ones even at high concentrations of vanadium and that they are in 3+ oxidation state.

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