Selective and lithography-independent fabrication of 20 nm nano-gap electrodes and nano-channels for nanoelectrofluidics applications
Selective and lithography-independent fabrication of 20 nm nano-gap electrodes and nano-channels for nanoelectrofluidics applications
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用于纳米电流体应用的 20 nm 纳米间隙电极和纳米通道的选择性且独立于光刻的制造
DOI:
10.1088/0957-4484/21/7/075303
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发表时间:
2010-02
期刊:
影响因子:
3.5
通讯作者:
樊中朝
中科院分区:
文献类型:
--
作者:
杨富华;王晓东;王晓峰;张加勇;季安;李艳;樊中朝
A new method has been developed to selectively fabricate nano-gap electrodes and nano-channels by conventional lithography. Based on a sacrificial spacer process, we have successfully obtained sub-100-nm nano-gap electrodes and nano-channels and further reduced the dimensions to 20 nm by shrinking the sacrificial spacer size. Our method shows good selectivity between nano-gap electrodes and nano-channels due to different sacrificial spacer etch conditions. There is no length limit for the nano-gap electrode and the nano-channel. The method reported in this paper also allows for wafer scale fabrication, high throughput, low cost, and good compatibility with modern semiconductor technology.
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