Controlling the on/off current ratio of ferroelectric field-effect transistors.
Controlling the on/off current ratio of ferroelectric field-effect transistors.
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DOI:
10.1038/srep12094
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发表时间:
2015-07-10
影响因子:
4.6
通讯作者:
Asadi K
中科院分区:
文献类型:
--
作者:
Katsouras I;Zhao D;Spijkman MJ;Li M;Blom PW;de Leeuw DM;Asadi K
The on/off current ratio in organic ferroelectric field-effect transistors (FeFETs) is largely determined by the position of the threshold voltage, the value of which can show large device-to-device variations. Here we show that by employing a dual-gate layout for the FeFET, we can gain full control over the on/off ratio. In the resulting dual-gate FeFET the ferroelectric gate provides the memory functionality and the second, non-ferroelectric, control gate is advantageously used to set the threshold voltage. The on/off ratio can thus be maximized at the readout bias. The operation is explained by the quantitative analysis of charge transport in a dual-gate FeFET.
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通讯作者:
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