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Van der Waals pi Josephson junctions
Kaifei Kang, Helmuth Berger, Kenji Watanabe +4
Proximity-induced superconductivity in a ferromagnet can induce Cooper pairs with a finite center-of-mass momentum. The resultant spatially modulated superconducting order paramete…
Unexpected two-fold symmetric superconductivity in few-layer NbSe
Alex Hamill, Brett Heischmidt, Egon Sohn +13
Two-dimensional transition metal dichalcogenides (TMDs) have been attracting significant interest due to a range of properties, such as layer-dependent inversion symmetry, valley-c…
An unusual continuous paramagnetic-limited superconducting phase transition in 2D NbSe
Egon Sohn, Xiaoxiang Xi, Wen-Yu He +9
Time reversal and spatial inversion are two key symmetries for conventional Bardeen-Cooper-Schrieffer (BCS) superconductivity. Breaking inversion symmetry can lead to mixed-parity…
Gate tuning of electronic phase transitions in two-dimensional NbSe
Xiaoxiang Xi, Helmuth Berger, László Forró +2
Recent experimental advances in atomically thin transition metal dichalcogenide (TMD) metals have unveiled a range of interesting phenomena including the coexistence of charge-dens…
Evidence of Ising pairing in superconducting NbSe atomic layers
Xiaoxiang Xi, Zefang Wang, Weiwei Zhao +6
Two-dimensional transition metal dichalcogenides with strong spin-orbit interactions and valley-dependent Berry curvature effects have attracted tremendous recent interests. Althou…
Possible Topological Superconducting Phases of MoS
Noah F. Q. Yuan, Kin Fai Mak, K. T. Law
Molybdenum disulphide (MoS) has attracted much interest in recent years due to its potential applications in a new generation of electronic devices. Recently, it was shown that…