DOI: 10.1143/jjap.33.3996. Polarization Fatigue Characteristics of Sol-Gel Ferroelectric Pb(Zr0.4Ti0.6)O3 Thin-Film Capacitors

Polarization Fatigue Characteristics of Sol-Gel Ferroelectric Pb(Zr0.4Ti0.6)O3 Thin-Film Capacitors

10.1143/jjap.33.3996

Crossref journal-article

IOP Publishing

Japanese Journal of Applied Physics (266)

Abstract

Fatigue characteristics of PbZr0.4Ti0.6O3 (PZT) thin-film capacitors made by sol-gel spin coating have been evaluated using hysteresis measurement by bipolar continuous pulses. The following three stages were found according to the cumulative polarization switching cycles: (1) slow fatigue stage at the initial switching cycles, (2) logarithmic fatigue stage at middle switching cycles which is recognized in general, (3) saturated stage at extremely large number of switching cycles. The decays of the nonswitched parts started in the middle of the logarithmic fatigue stage. The switching cycles at half of the initial remanent polarization are exponentially proportional to reverse electric field, and the degradation is explained in terms of an “electric-field-activating process” with an accelerating factor of 1.2×10-3 in units of decade kV/cm on our PZT thin-film capacitors. Temperature dependence of fatigue characteristics was unexpectedly small and activation energy was estimated to be 0.051 eV. A plausible fatigue model is proposed in which injected charge initiates the polarization fatigue.

Bibliography

Mihara, T., & Paz de Araujo, H. W. (1994). Polarization Fatigue Characteristics of Sol-Gel Ferroelectric Pb(Zr0.4Ti0.6)O3 Thin-Film Capacitors. Japanese Journal of Applied Physics, 33(7R), 3996.

Authors 2

Takashi Mihara (first)
Hitoshi Watanabe Paz de Araujo (additional)

References 25 Referenced 122

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Dates

Type	When
Created	22 years, 10 months ago (Oct. 1, 2002, 4:18 p.m.)
Deposited	2 years, 8 months ago (Dec. 7, 2022, 1:11 p.m.)
Indexed	2 months ago (June 16, 2025, 9:29 a.m.)
Issued	31 years, 1 month ago (July 1, 1994)
Published	31 years, 1 month ago (July 1, 1994)
Published Print	31 years, 1 month ago (July 1, 1994)

Funders 0

None

BibTeX

@article{Mihara_1994, title={Polarization Fatigue Characteristics of Sol-Gel Ferroelectric Pb(Zr0.4Ti0.6)O3 Thin-Film Capacitors}, volume={33}, ISSN={1347-4065}, url={http://dx.doi.org/10.1143/jjap.33.3996}, DOI={10.1143/jjap.33.3996}, number={7R}, journal={Japanese Journal of Applied Physics}, publisher={IOP Publishing}, author={Mihara, Takashi and Paz de Araujo, Hitoshi Watanabe}, year={1994}, month=jul, pages={3996} }

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