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arXiv 0804.0168cond-mat.supr-con
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具有Nb接触的碳纳米管量子点

Carbon Nanotube Quantum Dots with Nb Contacts

Emiliano Pallecchi, Markus Gaass, Dmitry Ryndyk, Christoph Strunk

摘要:

我们报告了使用由铌制成的超导电极制备碳纳米管量子点的情况。栅极可控的超电流值高达30 nA的邻近效应引起的。IV曲线在低温下是滞后的,并且相应的切换直方图具有约0.5-2的宽度。为了增加开关电流,使用了集成在样品布局中的片上电阻环境。

英文摘要:

We report on the preparation of carbon nanotube quantum dots using superconducting electrodes made of niobium. Gate-controllable supercurrents with values of up to 30 nA are induced by the proximity effect. The IV-curves are hysteretic at low temperature and the corresponding switching histograms have a width of ~0.5-2. An on-chip resistive environment integrated in the sample layout is used in order to increase the switching current.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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