Correlation between switching and fatigue in PbZr0.3Ti0.7O3 thin films

被引:48
作者
Grossmann, M [1 ]
Bolten, D
Lohse, O
Boettger, U
Waser, R
Tiedke, S
机构
[1] Rhein Westfal TH Aachen, Inst Werkstoffe Elektrotech, D-52056 Aachen, Germany
[2] Forschungszentrum Julich, Inst Festkorperforsch, D-52425 Julich, Germany
[3] aixACCT Syst, D-52056 Aachen, Germany
关键词
D O I
10.1063/1.1290154
中图分类号
O59 [应用物理学];
学科分类号
摘要
Fast pulse switching experiments with variable width and amplitude of the write pulse were performed on PbZr0.3Ti0.7O3 thin films and the results were correlated to fatigue measurements with varying frequency and amplitude of the fatigue signal. It was found that small amplitudes in combination with a small pulse width of the write pulse does not provide sufficient switching of the ferroelectric film. Furthermore, for the fatigue measurements, it is shown that the degree of switching caused by the fatigue excitation signal strongly influences the fatigue results. In the case of complete switching, the fatigue behavior is found to be independent of the fatigue frequency and only the number of switching cycles is decisive for the polarization decrease. (C) 2000 American Institute of Physics. [S0003-6951(00)02535-3].
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页码:1894 / 1896
页数:3
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