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Accumulation layers in cryogenic electrolytes

I. Chikina 1 V. Shikin 2
1 LIONS - Laboratoire Interdisciplinaire sur l'Organisation Nanométrique et Supramoléculaire
NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)
Abstract : Flat cryogenic cells with a radiation source at one of the control (zero) electrodes create promising opportunities for studying the properties of charged accumulation layers in weakly conducting media. The question as to the origin of different relaxation times, short τ0 or long τ∞≫τ0, when the medium is exposed to a rectangular surge of the control voltage Vg, remains relevant in this area. The existing, primarily numerical, analysis of the problem confirms that there is a hierarchy of relaxation times, but ignores the physical nature of the observed dispersion. A “self-similar” version of the accumulation layer’s adjustment to its stationary state is discussed. This scenario yields clear definitions of τ0 and τ∞≫τ0. A relationship between τ∞ and Vg is found. The pioneering significance that cryogenic data has in the experimental study of accumulation layer kinetics is noted
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Submitted on : Saturday, December 5, 2020 - 9:16:19 AM
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I. Chikina, V. Shikin. Accumulation layers in cryogenic electrolytes. Low Temperature Physics, American Institute of Physics, 2020, 46 (11), pp.1108-1113. ⟨10.1063/10.0002154⟩. ⟨cea-03041614⟩



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