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Redistribution of excess space charge in structures based on single-crystal strontium titanate

  • Magnetism and Ferroelectricity
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Abstract

A band mechanism for transport in single-crystal strontium titanate (STO) is used as a basis for estimating the parameters characterizing the localization and redistribution of space charge in STO for T<100 K. A comparison of the experimental and calculated temperature dependences of the charge carrier concentration yield an estimate for the location of the Fermi level in STO at T=4.2 K with E F-E v∼10 meV. The phenomena at metal/STO and YBCO/STO contacts are discussed.

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Authors and Affiliations

  1. St. Petersburg State Electrotechnical University, 197376, St. Petersburg, Russia

    A. I. Dedyk & L. T. Ter-Martirosyan

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  1. A. I. Dedyk
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  2. L. T. Ter-Martirosyan
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Fiz. Tverd. Tela (St. Petersburg) 39, 349–352 (February 1997)

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Dedyk, A.I., Ter-Martirosyan, L.T. Redistribution of excess space charge in structures based on single-crystal strontium titanate. Phys. Solid State 39, 305–307 (1997). https://doi.org/10.1134/1.1129803

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  • DOI: https://doi.org/10.1134/1.1129803

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