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Error in Measuring the Permittivity of Conducting Media by the Broadband Method

  • PHYSICS OF SEMICONDUCTORS AND DIELECTRICS
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Russian Physics Journal Aims and scope

The measurement of the complex dielectric permittivity (CDP) of nine calibration liquids with static permittivity from 2.38 (toluene) to 78.5 (water) was carried out. The decision to select the dimensions of the coaxial cell used in the measurement of the CDP of conducting media by the broadband method in the frequency range from hundreds of hertz to 8 GHz is justified. It is shown that the use of a cell with the dimensions of the external and internal conductors of 16 mm and 6.97 mm, respectively, in comparison with a cell with the dimensions of 7 mm and 3.02 mm reduces the frequency of the electrode polarization influence. The relations of the measurement error of the real part of the CDP in the low-frequency range with the dielectric loss tangent for liquids with different specific electrical conductivities are found.

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Authors and Affiliations

  1. Omsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences (Institute of Radiophysics and Physical Electronics), Omsk, Russia

    P. P. Bobrov

  2. Omsk State Pedagogical University, Omsk, Russia

    P. P. Bobrov & O. V. Rodionova

Authors
  1. P. P. Bobrov
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  2. O. V. Rodionova
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Correspondence to P. P. Bobrov.

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 7, pp. 137–142, July, 2022.

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Bobrov, P.P., Rodionova, O.V. Error in Measuring the Permittivity of Conducting Media by the Broadband Method. Russ Phys J 65, 1213–1220 (2022). https://doi.org/10.1007/s11182-022-02753-8

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  • DOI: https://doi.org/10.1007/s11182-022-02753-8

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