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Huge values of room-temperature dielectric constants in pellets of poly(3-methylthiophene)

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Abstract

Room temperature data of impedance and phase angle in pellets of electrochemically synthesized ClO4− doped poly(3-methylthiophene) (P3MT) were analyzed assuming the sample being represented by a parallel resistor-capacitor (RC) circuit or by a series RC circuit. The last assumption proved to be the correct one, and to confirm it we use the sample as the RC component of a resistor-capacitor-inductor series resonator. We discuss the possibility of this RC series behavior to be due to a charge-density wave characteristic also evidenced from the huge values of the low-frequency dielectric constant of the system.

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Authors and Affiliations

  1. Departamento de Física, Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista, Caixa Postal 178, CEP, 13500-970, Rio Claro, S.P., Brazil

    S. Moraes & L. Walmsley

  2. Departamento de Química, Universidade Federal de São Carlos, Caixa Postal 676, CEP, 13560-970, São Carlos, S.P., Brazil

    E. C. Pereira & A. A. Correa

Authors
  1. S. Moraes
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  2. L. Walmsley
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  3. E. C. Pereira
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  4. A. A. Correa
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Correspondence to L. Walmsley.

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Moraes, S., Walmsley, L., Pereira, E.C. et al. Huge values of room-temperature dielectric constants in pellets of poly(3-methylthiophene). Journal of Materials Research 19, 2068–2071 (2004). https://doi.org/10.1557/JMR.2004.0260

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  • DOI: https://doi.org/10.1557/JMR.2004.0260

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