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Russian Physics Journal

, Volume 37, Issue 4, pp 324–328 | Cite as

Electron instability, electrical conductivity, and the electret effect in insulators

  • V. Kh. Kozlovskii
Semiconductor And Insulator Physics
  • 30 Downloads

Abstract

The origin of dielectric singularity is examined by calculating the electrostatic energy of a cylinder containing a periodic negative-charge density and periodically repeating planes containing positive charges. When the planes deviate from their initial positions, the cells acquire dipole moments, and the energy is a function of the deviations. The condition for the stability of the unpolarized state is that the charge density at the middle of a cell exceeds the mean charge over the cell. When these are equal, stability in the charge disposition is lost and conductivity arises. A three-dimensional array is considered for the polarizable ions in the polar cells, which is located between short-circuited electrodes and has cavity gaps by the electrodes. Microscopic-field calculations show that the field in a gap in general does not vanish on electronic instability. The phenomenon is compared with the electret effect.

Keywords

Electrical Conductivity Dipole Moment Charge Density Positive Charge Initial Position 
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.

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Copyright information

© Plenum Publishing Corporation 1994

Authors and Affiliations

  • V. Kh. Kozlovskii

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