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Resonant photoemission and absorption spectroscopy study of the Cu x TiSe2 electronic structure

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Abstract

The Cu3p and Cu2p resonance photoelectron spectra of the valence bands and core levels as well as Ti and CuL 2,3 absorption spectra for monocrystals 1T-Cu x TiSe2 were studied. The valence spectra obtained at Cu3p and Cu2p resonance drastically differ from each other. For Cu 3p-3d resonance, there are several bands corresponding to different channels of excited state decay. Spectra of the valence bands at Cu 2p-3d resonance are virtually identical to the spectra of pure TiSe2. As follows from the absorption spectra, titanium atoms have the oxidation state 4+, whereas copper atoms are close to the free ion state.

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Authors and Affiliations

  1. Institute of Metal Physics, Uralian Division, Russian Academy of Sciences, Ekaterinburg, Russia

    A. S. Shkvarin, Yu. M. Yarmoshenko, N. A. Skorikov, A. A. Titov & A. N. Titov

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  1. A. S. Shkvarin
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  2. Yu. M. Yarmoshenko
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  3. N. A. Skorikov
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  4. A. A. Titov
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  5. A. N. Titov
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Corresponding author

Correspondence to A. S. Shkvarin.

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Original Russian Text Copyright © 2011 by A. S. Shkvarin, Yu. M. Yarmoshenko, N. A. Skorikov, A. A. Titov, and A. N. Titov

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Translated from Zhurnal Strukturnoi Khimii, Vol. 52, Supplement, pp. S69–S72, 2011.

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Shkvarin, A.S., Yarmoshenko, Y.M., Skorikov, N.A. et al. Resonant photoemission and absorption spectroscopy study of the Cu x TiSe2 electronic structure. J Struct Chem 52 (Suppl 1), 65–69 (2011). https://doi.org/10.1134/S0022476611070092

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  • DOI: https://doi.org/10.1134/S0022476611070092

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