A Ising type superconducting phase with strong alternative paring of electron spins was identified in a field effect transistor (FET) made by a transition metal compound: MoS2. During the experiment in In High Field Magnetic Lab in Nijmegen, Prof. Justin Ye together with Dr. Jianming Lu, and master student Oleksandr Zheliuk found this ultra robust superconducting state under 38 Tesla, the apex of the static magnetic field in Europe. This success largely relies on a new device technology called ionic gating, which enables electric field strength 100 times stronger than that in conventional FET. Hence, a new superconducting state with paring protected by an internal magnetic filed of 100 Tesla can be induced by strong gating.Discovery of Ising superconductivity not only initiates the deeper exploration into this exotic state of matter but also serves as the pivot that might enable new technologies like ultra robust superconducting electronics.
Evidence of Two Dimensional Ising Superconductivity in Gated MoS2
J. M. Lu, O. Zheliuk, I. Leermakers, Noah F. Q. Yuan, U. Zeitler, K. T. Law and J. T. Ye
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