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Experimental observation of the virtual electronic states of a mott-Hubbard insulator FeBO3 in infrared absorption spectra

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Abstract

A number of new peaks close to the previously predicted energies of virtual electronic states [S.G. Ovchinnikov and V.N. Zabluda, Zh. Eksp. Teor. Fiz. 125, 150 (2004) [JETP 98, 135 (2004)]] have been observed in the absorption spectra of FeBO3 single crystals in the infrared range. The 0.27-eV peak was absent in the scheme presented in the work cited above and, to explain it, a multielectron theory taking into account the 2 T 2 low-spin term of the Fe3+ ion has been developed.

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Authors and Affiliations

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

    S. G. Ovchinnikov, N. V. Kazak & V. V. Rudenko

  2. Siberian Federal University, Krasnoyarsk, 660041, Russia

    S. G. Ovchinnikov

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

    B. A. Gizhevskii & A. V. Telegin

Authors
  1. S. G. Ovchinnikov
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  2. B. A. Gizhevskii
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  3. N. V. Kazak
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  4. V. V. Rudenko
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  5. A. V. Telegin
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Corresponding author

Correspondence to S. G. Ovchinnikov.

Additional information

Original Russian Text © S.G. Ovchinnikov, B.A. Gizhevskii, N.V. Kazak, V.V. Rudenko, A.V. Telegin, 2009, published in Pis’ma v Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2009, Vol. 90, No. 7, pp. 569–573.

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Ovchinnikov, S.G., Gizhevskii, B.A., Kazak, N.V. et al. Experimental observation of the virtual electronic states of a mott-Hubbard insulator FeBO3 in infrared absorption spectra. Jetp Lett. 90, 519–523 (2009). https://doi.org/10.1134/S0021364009190059

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  • DOI: https://doi.org/10.1134/S0021364009190059

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