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Reversible Photo-Induced Currents in Epitaxial Pb(Zr0.52Ti0.48)O3 Thin Films

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Abstract

The pyroelectric and photogalvanic effects have been studied extensively in epitaxial Pb(Zr0.52Ti0.48)O3 (PZT) thin films. For the first time, photo-induced currents, which were completely reversible by electrical voltage, were observed in ferroelectric thin films. The photo-induced currents exhibited transient and steady state components. The transient component, in turn, consisted of two components with fast (<1 µs) and slow (~hours) relaxation times. The mechanisms of the photo-induced currents in PZT films and their possible application in non-destructive readout ferroelectric memory are discussed.

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Authors and Affiliations

  1. Department of Ceramic Science and Engineering, Rutgers-The State University of New Jersey, Piscataway, NJ, 08855-0909, USA

    J. Lee, S. Esayan, J. Prohaska & A. Safari

Authors
  1. J. Lee
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  2. S. Esayan
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  3. J. Prohaska
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  4. A. Safari
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Lee, J., Esayan, S., Prohaska, J. et al. Reversible Photo-Induced Currents in Epitaxial Pb(Zr0.52Ti0.48)O3 Thin Films. MRS Online Proceedings Library 310, 107–112 (1993). https://doi.org/10.1557/PROC-310-107

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  • DOI: https://doi.org/10.1557/PROC-310-107

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