Modeling of imprint in hysteresis loop of ferroelectric thin films with top and bottom interface layers
Modeling of imprint in hysteresis loop of ferroelectric thin films with top and bottom interface layers
复制标题
具有顶部和底部界面层的铁电薄膜磁滞回线中的印记建模
DOI:
10.1063/1.2433026
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发表时间:
2007-01
影响因子:
4
通讯作者:
中科院分区:
文献类型:
--
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The imprint of a ferroelectric thin film capacitor is studied using an improved model consisting of two nonswitching thin interface layers near the top and bottom electrodes. The difference in electrical conductivity between the two interface layers induces voltage offset and deformation behaviors in hysteresis loops. Size dependence of shift effect of Bi4−xNdxTi3O12 thin film is explained qualitatively by taking into account the thickness ratio of the interface layer and the bulk film. Various shifts and anamorphic shapes with different electrodes and processes have been effectively reproduced through changing the layer conductivities. The simulated shifted hysteresis loops agree well with the experiment. Theoretical prediction based on this approach may provide a method to reduce imprint failure.
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影响因子:
4
作者:
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通讯作者:
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影响因子:
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影响因子:
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影响因子:
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作者:
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通讯作者:
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4
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