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Dielectrics

  • Mário J. de Oliveira
Chapter
Part of the Graduate Texts in Physics book series (GTP)

Abstract

Dielectric materials are insulators characterized by the response to an electric field. An ordinary dielectric, such as water, placed in the presence of an electric field acquires an electric polarization that disappears when the field is removed. For small values of the applied electric field E, the polarization (electric dipole moment per unit volume) of an ordinary dielectric is proportional to the field, that is,
$$\displaystyle{ \mathcal{P} =\bar{\chi } E, }$$
(15.1)
where \(\bar{\chi }\) is the constant of proportionality.

Keywords

Electric Dipole Moment Barium Titanate Ferroelectric Phase Spontaneous Polarization Electric Displacement 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Mário J. de Oliveira
    • 1
  1. 1.Instituto de FisicaUniversidade de São PauloSão PauloBrazil

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