Controllable disorder in a hybrid nanoelectronic system: Realization of a superconducting diode

Shun-Tsung Lo, Kuang Yao Chen, Sheng-Di Lin, J. Y. Wu, T. L. Lin, M. R. Yeh, T. M. Chen, C. T. Liang*

*Corresponding author for this work

研究成果: Article

5 引文 斯高帕斯(Scopus)

摘要

We have studied a hybrid nanoelectronic system which consists of an AlGaAs/GaAs two-dimensional electron gas (2DEG) in close proximity (,70 nm) to an Al superconducting nanofilm. By tuning the current through the Al film, we can change the conductance of the 2DEG and furthermore vary the effective disorder in the Al superconducting film in a controllable way. When a high current is injected into the film, screening which couples the Al film and the 2DEG results in a collapse of anti-symmetric behavior in the current-voltage characteristics, V(I) ,-V(-I), which holds true in a conventional superconductor. Our results may open a new avenue of experimentally realizing a superconducting diode.

原文English
文章編號2274
期刊Scientific reports
3
DOIs
出版狀態Published - 24 七月 2013

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