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  • Title: Time Domain Characterization of the Cole-Cole Dielectric Model.
    Author: Holm S.
    Journal: J Electr Bioimpedance; 2020 Jan; 11(1):101-105. PubMed ID: 33584910.
    Abstract:
    The Cole-Cole model for a dielectric is a generalization of the Debye relaxation model. The most familiar form is in the frequency domain and this manifests itself in a frequency dependent impedance. Dielectrics may also be characterized in the time domain by means of the current and charge responses to a voltage step, called response and relaxation functions respectively. For the Debye model they are both exponentials while in the Cole-Cole model they are expressed by a generalization of the exponential, the Mittag-Leffler function. Its asymptotes are just as interesting and correspond to the Curie-von Schweidler current response which is known from real-life capacitors and the Kohlrausch stretched exponential charge response.
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