Only one thermally stimulated depolarization current (TSDC) peak was found in germanate glasses containing from 0.19 to 32.5 mol% Na20, whereas comparable silicate glasses exhibit two such peaks. Equations are developed showing that the distortion of the equilibrium Na+-ion distribution by an applied electrical field produces a polarization in general agreement with the observed TSDC peak. It is proposed that the TSDC peak is due to dc conduction.
A. Doi and D. E. Day, "Conduction Polarization in Sodium Germanate Glasses," Journal of Applied Physics, vol. 52, no. 5, pp. 3433-3438, American Institute of Physics (AIP), May 1981.
The definitive version is available at http://dx.doi.org/10.1063/1.329117
Materials Science and Engineering
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© 1981 American Institute of Physics (AIP), All rights reserved.