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Optical Properties and Photoconductivity of Bismuth Titanate

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Inorganic Materials Aims and scope

Abstract

The optical absorption spectra and photoelectric properties of undoped and doped (CaF, CdO, ZnO, Ga2O3 , Fe2O3 , Bi24FePO40, and Bi24AlPO40) Bi12TiO20single crystals were studied before and after vacuum annealing. The optical absorption and photoconductivity in Bi12TiO20crystals were shown to be due to impurities. The band gap of Bi12TiO20was determined to be 3.21 ± 0.03 eV. Doping and vacuum annealing have a significant effect on the optical properties of Bi12TiO20via the formation of acceptor and donor levels in the band gap.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia

    V. M. Skorikov & V. V. Volkov

  2. Kursk State Technical University, ul. 50 Let Oktyabrya 94, Kursk, 305019, Russia

    I. S. Zakharov, E. A. Spirin & V. V. Umrikhin

Authors
  1. V. M. Skorikov
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  2. I. S. Zakharov
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  3. V. V. Volkov
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  4. E. A. Spirin
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  5. V. V. Umrikhin
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Skorikov, V.M., Zakharov, I.S., Volkov, V.V. et al. Optical Properties and Photoconductivity of Bismuth Titanate. Inorganic Materials 37, 1149–1154 (2001). https://doi.org/10.1023/A:1012597025848

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  • DOI: https://doi.org/10.1023/A:1012597025848

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