DOI: 10.1063/1.121610. Built-in voltages and asymmetric polarization switching in Pb(Zr,Ti)O3 thin film capacitors

Built-in voltages and asymmetric polarization switching in Pb(Zr,Ti)O3 thin film capacitors

10.1063/1.121610

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Asymmetric polarization switching of Pb(Zr,Ti)O3 (PZT) thin films with different electrode configuration has been studied in (La,Sr)CoO3/Pb(Zr,Ti)O3/(La,Sr)CoO3 (LSCO) heterostructures in which the conducting oxide (La,Sr)CoO3 and/or LaCoO3 (LCO) have been used as an electrode. Polarization-voltage (P-V) hysteresis loop of LSCO/PZT/LSCO was symmetric. However, LCO/PZT/LSCO showed a largely asymmetric P-V hysteresis loop and large relaxation of the remanent polarization at the negatively poled state, eventually leading to an imprint failure. On the other hand, LSCO/PZT/LCO exhibited large relaxation of the positively poled state. The asymmetric behavior of the polarized states implies the presence of an internal electric field inside the PZT layer. It is suggested that the internal electric field is caused by built-in voltages at LCO/PZT and LSCO/PZT interfaces. The built-in voltages at LCO/PZT and LSCO/PZT interfaces were 0.6 V and 0.12 V, respectively.

Bibliography

Lee, J., Choi, C. H., Park, B. H., Noh, T. W., & Lee, J. K. (1998). Built-in voltages and asymmetric polarization switching in Pb(Zr,Ti)O3 thin film capacitors. Applied Physics Letters, 72(25), 3380â3382.

Authors 5

J. Lee (first)
C. H. Choi (additional)
B. H. Park (additional)
T. W. Noh (additional)
J. K. Lee (additional)

References 16 Referenced 107

10.1126/science.246.4936.1400 / Science (1989)
10.1080/00150199008018730 / Ferroelectrics (1990)
{'key': '2024020314355466100_r2'}
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{'key': '2024020314355466100_r13'}
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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:07 a.m.)
Deposited	1 year, 6 months ago (Feb. 3, 2024, 9:36 a.m.)
Indexed	1 year ago (Aug. 7, 2024, 3:52 a.m.)
Issued	27 years, 2 months ago (June 22, 1998)
Published	27 years, 2 months ago (June 22, 1998)
Published Print	27 years, 2 months ago (June 22, 1998)

Funders 0

None

BibTeX

@article{Lee_1998, title={Built-in voltages and asymmetric polarization switching in Pb(Zr,Ti)O3 thin film capacitors}, volume={72}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.121610}, DOI={10.1063/1.121610}, number={25}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Lee, J. and Choi, C. H. and Park, B. H. and Noh, T. W. and Lee, J. K.}, year={1998}, month=jun, pages={3380–3382} }

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