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Current passage in a vacuum diode with field-and laser-controlled ferroelectric cathode

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Abstract

We present the results of experimental investigation of a planar vacuum diode with field-and laser-controlled ferroelectric cathode based on prepolarized ceramics of the TsTS-23 (TsTS-19) grade. The diode current passes when the spontaneous polarization vector is oriented both toward the anode and in the opposite direction. It is established that an increase in the laser power density on the ceramic surface leads to a decrease in the diode current pulse duration. The maximum currents achieved in a field-controlled diode exceed the Langmuir current values by two to three orders of magnitude. The current pulse characteristics are determined by the mutual orientation of the polarization vector and the control electric field.

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Authors and Affiliations

  1. Lebedev Institute of Physics, Russian Academy of Sciences, Moscow, Russia

    Yu. V. Korobkin, I. V. Romanov, A. A. Rupasov & A. S. Shikanov

Authors
  1. Yu. V. Korobkin
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  2. I. V. Romanov
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  3. A. A. Rupasov
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  4. A. S. Shikanov
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 29, No. 8, 2003, pp. 24–31.

Original Russian Text Copyright © 2003 by Korobkin, Romanov, Rupasov, Shikanov.

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Korobkin, Y.V., Romanov, I.V., Rupasov, A.A. et al. Current passage in a vacuum diode with field-and laser-controlled ferroelectric cathode. Tech. Phys. Lett. 29, 320–322 (2003). https://doi.org/10.1134/1.1573303

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  • DOI: https://doi.org/10.1134/1.1573303

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