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Spontaneous polarization of finely disperse dielectrics with surface donor centers

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Abstract

Spontaneous polarization and polarization in an alternating electric field of finely disperse dielectrics KMnO4, Pb(NO3)2, and CsNO3 after the appearance of current carriers upon the chemisorption of hydrogen are studied. The real part of their dielectric constant becomes negative, and low frequency dispersion of this quantity due to the Lorentz correction is observed. The spontaneous polarization of finely disperse dielectrics and the low frequency dispersion of their dielectric constant are determined by the properties of conduction electrons whose wave functions are limited by the powder grain size. The character of electronic phenomena and energy exchange upon the polarization of finely disperse dielectrics depends on the position of the Fermi level on their surface. An original method of research is applied.

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Authors and Affiliations

  1. Orel State University, Orel, 302026, Russia

    V. F. Kharlamov

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  1. V. F. Kharlamov
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Correspondence to V. F. Kharlamov.

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Original Russian Text © V.F. Kharlamov, 2017, published in Poverkhnost’, 2017, No. 9, pp. 83–90.

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Kharlamov, V.F. Spontaneous polarization of finely disperse dielectrics with surface donor centers. J. Surf. Investig. 11, 973–980 (2017). https://doi.org/10.1134/S1027451017050068

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  • DOI: https://doi.org/10.1134/S1027451017050068

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