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|Abstract:||Superconductivity in topological materials has attracted a great deal of interest in both electron physics and material sciences since the theoretical predictions that Majorana fermions can be realized in topological superconductors. Topological superconductivity could be realized in a type II, band-inverted, InAs/GaSb quantum well if it is in proximity to a conventional superconductor. Here, we report observations of the proximity effect induced giant supercurrent states in an InAs/GaSb bilayer system that is sandwiched between two superconducting tantalum electrodes to form a superconductor-InAs/GaSb-superconductor junction. Electron transport results show that the supercurrent states can be preserved in a surprisingly large temperature-magnetic field (T-H) parameter space. In addition, the evolution of differential resistance in T and H reveals an interesting superconducting gap structure. (C) 2015 AIP Publishing LLC.|
|Electronic Publication Date:||7-Oct-2015|
|Citation:||Shi, Xiaoyan, Yu, Wenlong, Jiang, Zhigang, Bernevig, B Andrei, Pan, W, Hawkins, SD, Klem, JF. (2015). Giant supercurrent states in a superconductor-InAs/GaSb-superconductor junction. JOURNAL OF APPLIED PHYSICS, 118 (10.1063/1.4932644|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||JOURNAL OF APPLIED PHYSICS|
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