Measuring the complex admittance of a nearly isolated graphene quantum dot
Measuring the complex admittance of a nearly isolated graphene quantum dot
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测量几乎孤立的石墨烯量子点的复数导纳
DOI：
10.1063/1.4893883
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发表时间：
2014-08
影响因子：
4
通讯作者：
Guo, Guo-Ping
中科院分区：
文献类型：
--
作者：
Xiao, Ming;Guo, Guang-Can;Jiang, Hong-Wen;Guo, Guo-Ping
We measured the radio-frequency reflection spectrum of an on-chip reflection line resonator coupled to a graphene double quantum dot (DQD), which was etched almost isolated from the reservoir and reached the low tunnel rate region. The charge stability diagram of DQD was investigated via dispersive phase and magnitude shift of the resonator with a high quality factor. Its complex admittance and low tunnel rate to the reservoir was also determined from the reflected signal of the on-chip resonator. Our method may provide a non-invasive and sensitive way of charge state readout in isolated quantum dots.
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影响因子：
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作者：
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DOI：
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发表时间：
2013-09
期刊：
arXiv: Mesoscale and Nanoscale Physics
影响因子：
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影响因子：
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作者：
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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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