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Photovoltaic Effect in Thin Ferroelectric Films

  • Philip S. Brody (a1), B. J. Rod (a1), L. P. Cook (a2) and P. K. Schenck (a2)

Abstract

Polarization-dependent photovoltaic currents are observed in continuously illuminated ferroelectric thin films under conditions of polarization reversal. Following reversal, an initial current rapidly decays to an essentially steady current, which then decays slowly with the current decreasing in proportion to the logarithm of elapsed time. These polarization-dependent currents are attributed to the action of internal fields on photocarriers where the fields result from the incomplete screening of the polarization field.

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1. Brody, P. S. and Rod, B. J., presentation at the 3rd Intemational Symposium on Integrated Ferroelectrics, Colorado Springs, CO, 1990, preprint HDL-PP-NW-91-4; available from the authors (to be published in Proceedings).
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Photovoltaic Effect in Thin Ferroelectric Films

  • Philip S. Brody (a1), B. J. Rod (a1), L. P. Cook (a2) and P. K. Schenck (a2)

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