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On the problem of the permittivity dispersion of barium titanate

К вопросу о дисперСии диэлектрической проницаемости титан ата Бария

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Cechoslovackij fiziceskij zurnal Aims and scope

Abstract

The complex permittivity of multidomain single crystals of BaTiO3 was measured in the decimetre and centimetre wave bands and it was proved that in this frequency region there is dispersion of the permittivity. Apparatus for measuring the permittivity of substances with a high ε′ is described and the influence of the inhomogeneity of the field in the sample on the characteristics of the cavity resonator is calculated. Present theories of the high-frequency properties of BaTiO3 are discussed from the point of view of the experimental results.

Abstract

Измеряласъ комплекс ная диэлектрическая проницаемостъ много доменных монокристаллов BaTiO3 в д иапазоне дециметров ых и сантиметровых волн и было доказано, ч то в этой области част от имеется дисперсия диэлектри ческой проницаемост и. Описана установка д ля измерения диэлектри ческой проницаемост и веществ с болъшим зн ачением ε′ и подсчитано влиян ие неоднородности по ля в образце на характеристики резо нансной полости. На ос нове резулътатов экс периментов обсуждаются совреме нные теории высокоча стотных свойств BaTiO3.

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  1. Institute of Physics, Czechosl. Acad. Sci., Prague

    Jan Fousek

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  1. Jan Fousek
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Fousek, J. On the problem of the permittivity dispersion of barium titanate. Czech J Phys 9, 172–185 (1959). https://doi.org/10.1007/BF01557429

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