Some Thin-Film Properties of a New Ferroelectric Composition
- 1 May 1969
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 40 (6), 2381-2385
- https://doi.org/10.1063/1.1657999
Abstract
Thin polycrystalline films made from a base composition of Pb0.92Bi0.07La0.01 (Fe0.405Nb0.325Zr0.27) O3 exhibited a spontaneous polarization of 10 to 20 μC per square centimeter, hysteresis‐loop squareness ≥0.75, coercivity≤15 kV/cm, Curie temperature≃150°C, resistivity≃1011 Ω·cm, and initial dielectric constant of about 1000. In a pulsed‐life test, one such film was repetitively switched in 300 nsec by 20‐V applied pulses for more than 2×1011 polarization reversals before the test was terminated for convenience.Keywords
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