Physics – Condensed Matter – Materials Science
Scientific paper
2010-01-18
Applied Physics Letters, 96, 102906 (2010)
Physics
Condensed Matter
Materials Science
10 pages and 2 figures
Scientific paper
10.1063/1.3358138
For the first time, we show that unipolar fatigue does occur in antiferroelectric capacitors, confirming the predictions of a previous work [Appl. Phys. Lett., 94, 072901 (2009)]. We also show that unipolar fatigue in antiferroelectrics is less severe than bipolar fatigue if the driving field is of the same magnitude. This phenomenon has been attributed to the switching-induced charge injection, the main cause for polarization fatigue in ferroelectric and antiferroelectric materials. Other evidences for polarization fatigue caused by the switching-induced charge injection from the nearby electrode rather than the charge injection during stable/quasi-stable leakage current stage are also discussed.
Lou X. J.
Wang Jeffrey
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