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Bipolar and unipolar electrical fatigue in ferroelectric lead zirconate titanate thin films: An experimental comparison study
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10.1063/1.3463318
/content/aip/journal/jap/108/3/10.1063/1.3463318
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/3/10.1063/1.3463318
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

A schematic of (a) bipolar and (b) unipolar fatigue signal profile.

Image of FIG. 2.
FIG. 2.

Bipolar fatigue evaluated by PUND measurements: (a) as a function of cycle number for bipolar fatigue at 3, 6, 9, and 12 V; (b) the corresponding normalized results.

Image of FIG. 3.
FIG. 3.

Bipolar fatigue evaluated by hysteresis-loop measurements at 12 V after 1, , , , , and for bipolar fatigue at (a) 3, (b) 6, (c) 9, and (d) 12 V; (e) as a function of .

Image of FIG. 4.
FIG. 4.

Bipolar fatigue evaluated by dielectric measurements after 1, , , , , and for bipolar fatigue at (a) and (e) 3 V, (b) and (f) 6 V, (c) and (g) 9 V, and (d) and (h) 12 V; (a)–(d) show the dielectric constant and tan loss data as a function of measurement frequency; (e)–(h) display the dielectric constant and tan loss data measured at and as a function of . (i) Normalized dielectric constant measured at as a function of for bipolar fatigue at 3, 6, 9, and 12 V.

Image of FIG. 5.
FIG. 5.

Unipolar fatigue evaluated by PUND measurements: (a) as a function of for unipolar fatigue at 3, 6, 9, and 12 V; (b) the corresponding normalized results.

Image of FIG. 6.
FIG. 6.

Unipolar fatigue evaluated by hysteresis-loop measurements at 12 V after 1, , , , , and for unipolar fatigue at (a) 3, (b) 6, (c) 9, and (d) 12 V; (e) as a function of .

Image of FIG. 7.
FIG. 7.

Unipolar fatigue evaluated by dielectric measurements after 1, , , , , and for unipolar fatigue at (a) and (e) 3 V, (b) and (f) 6 V, (c) and (g) 9 V, and (d) and (h) 12 V; (a)–(d) show the dielectric constant and tan loss data as a function of measurement frequency; (e)–(h) display the dielectric constant and tan loss data measured at and as a function of . (i) Normalized dielectric constant measured at as a function of for unipolar fatigue at 3, 6, 9, and 12 V.

Image of FIG. 8.
FIG. 8.

(nm) as a function of during bipolar/unipolar fatigue at various voltages.

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/content/aip/journal/jap/108/3/10.1063/1.3463318
2010-08-05
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Bipolar and unipolar electrical fatigue in ferroelectric lead zirconate titanate thin films: An experimental comparison study
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/3/10.1063/1.3463318
10.1063/1.3463318
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