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Specific features of the electronic structure and optical spectra of nanoparticles with strong electron correlations

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Abstract

Analysis of the experimental optical spectra of CuO nanoparticles with the electronic structure characterized by strong electron correlations has revealed the appearance of unusual states inside the band gap. The intragap states and the specific features of the electronic structure of CuO nanoparticles are discussed in the framework of the generalized tight-binding method previously developed for describing the electronic structure of superconducting cuprates.

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Authors and Affiliations

  1. Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russia

    S. G. Ovchinnikov

  2. Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoĭ 18, Yekaterinburg, 620041, Russia

    B. A. Gizhevskiĭ, Yu. P. Sukhorukov, A. E. Ermakov & M. A. Uĭmin

  3. Russian Federal Nuclear Center, Zababakhin All-Russia Research Institute of Technical Physics, Snezhinsk, Chelyabinsk oblast, 456770, Russia

    E. A. Kozlov

  4. Institute of Electrophysics, Ural Division, Russian Academy of Sciences, ul. Amundsena 106, Yekaterinburg, 620016, Russia

    Ya. A. Kotov & A. V. Bagazeev

Authors
  1. S. G. Ovchinnikov
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  2. B. A. Gizhevskiĭ
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  3. Yu. P. Sukhorukov
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  4. A. E. Ermakov
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  5. M. A. Uĭmin
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  6. E. A. Kozlov
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  7. Ya. A. Kotov
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  8. A. V. Bagazeev
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Additional information

Original Russian Text © S.G. Ovchinnikov, B.A. Gizhevskiĭ, Yu.P. Sukhorukov, A.E. Ermakov, M.A. Uĭmin, E.A. Koilov, Ya. A. Kotov, A. V. Bagazeev, 2007, published in Fizika Tverdogo Tela, 2007, Vol. 49, No. 6, pp. 1061–1065.

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Ovchinnikov, S.G., Gizhevskiĭ, B.A., Sukhorukov, Y.P. et al. Specific features of the electronic structure and optical spectra of nanoparticles with strong electron correlations. Phys. Solid State 49, 1116–1120 (2007). https://doi.org/10.1134/S1063783407060169

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  • DOI: https://doi.org/10.1134/S1063783407060169

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