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Electrical properties of a composite of polyurethane and ferroelectric ceramics

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Abstract

Ferroelectric ceramic particles based on lead titanate zirconate (PZT) were dispersed in a polymer matrix based on castor oil. After the poling process, the pyroelectric activity of this composite was measured using a direct method in which a linear heating rate was applied to the pre-poled samples. The pyroelectric coefficient at 343 K is comparable with that of a PZT–poly(vinylidene fluoride) (PVDF) composite and significantly higher than that of PVDF.

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Authors and Affiliations

  1. Departamento de Física e Química, Universidade Estadual Paulista, Cåmpus de Ilha Solteira, Av. Brasil 56, 15.385-000 Ilha Solteira, SP, Brazil

    W. K. Sakamoto, S. Kagesawa & D. H. Kanda

  2. School of Electronic Engineering and Computer Systems, University of Wales, Dean Street, Bangor, Gwynedd, LL57, 1UT, UK

    D. K. Das-Gupta

Authors
  1. W. K. Sakamoto
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  2. S. Kagesawa
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  3. D. H. Kanda
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  4. D. K. Das-Gupta
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Sakamoto, W.K., Kagesawa, S., Kanda, D.H. et al. Electrical properties of a composite of polyurethane and ferroelectric ceramics. Journal of Materials Science 33, 3325–3329 (1998). https://doi.org/10.1023/A:1013233329595

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