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Excess Charge in Solids: Electrets

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Chemical Electrostatics

Abstract

Excess electric charge may be trapped within bulk solids during its synthesis and further transformation. This was definitely shown in polymer latexes, using analytical transmission electron and scanning probe microscopies. Moreover, charged species may be formed and trapped within solids following different events: charge injection, mechanochemical reactions, penetration of radiation and energetic particles, ion implantation or phase transitions. Slow-decaying charge is a characteristic of electrets that are now used in many technology areas. This chapter describes the formation and properties of electrified solids, the mechanisms for charge separation and dissipation and its implications to natural systems and technology.

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Authors and Affiliations

  1. Institute of Chemistry, University of Campinas, Campinas, São Paulo, Brazil

    Fernando Galembeck

  2. Departament of Physics, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brazil

    Thiago A. L. Burgo

Authors
  1. Fernando Galembeck
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  2. Thiago A. L. Burgo
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Galembeck, F., A. L. Burgo, T. (2017). Excess Charge in Solids: Electrets. In: Chemical Electrostatics. Springer, Cham. https://doi.org/10.1007/978-3-319-52374-3_7

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