Abstract

Transition metal dichalcogenide molybdenum disulphide (MoS2) is a two-dimensional layered crystal, which has a great potential as a flexible semiconductor device. Recently, manifestation of electrically induced superconductivity at the surface of the MoS2-based electric double-layer transistor (MoS2-EDLT) is reported. The superconducting properties, such as the ultra-high upper critical field, give a sign of unconventional spin-valley locking superconducting state. In this study, we aim to realize the coherent connection of the MoS2-EDLT to conventional superconductors Aluminum (Al). Therefore, we first fabricated and evaluated the properties of Al / MoS2-EDLT configuration/Al junction. At T = 18 mK, it is considered that a superconducting current of about 30 pA flows into the Al/MoS2-EDLT/Al junction. We discussed the magnetic field response of this supercurrent.

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