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Synthesis, Engineering, and Theory of 2D van der Waals Magnets
M. Blei, J. L. Lado, Q. Song +6
Spontaneous magnetic order is a routine instance in three-dimensional (3D) materials but for a long time, it remained elusive in the 2D world. Recently, the first examples of (stan…
Manipulation of room-temperature Valley-Coherent Exciton-Polaritons in atomically thin crystals by real and artificial magnetic fields
Christoph Rupprecht, Evgeny Sedov, Martin Klaas +11
Strong spin-orbit coupling and inversion symmetry breaking in transition metal dichalcogenide monolayers yield the intriguing effects of valley-dependent optical selection rules. A…
Nanoscale Conductivity Imaging of Correlated Electronic States in WSe2/WS2 Moiré Superlattices
Zhaodong Chu, Emma C Regan, Xuejian Ma +10
We report the nanoscale conductivity imaging of correlated electronic states in angle-aligned WSe2/WS2 heterostructures using microwave impedance microscopy. The noncontact microwa…
Imaging moiré flat bands in 3D reconstructed WSe2/WS2 superlattices
Hongyuan Li, Shaowei Li, Mit H. Naik +17
Moiré superlattices in transition metal dichalcogenide (TMD) heterostructures can host novel correlated quantum phenomena due to the interplay of narrow moiré flat bands and strong…
Exciton-exciton interaction beyond the hydrogenic picture in a MoSe monolayer in the strong light-matter coupling regime
Petr Stepanov, Amit Vashisht, Martin Klaas +9
In transition metal dichalcogenides layers of atomic scale thickness, the electron-hole Coulomb interaction potential is strongly influenced by the sharp discontinuity of the diele…
Confinement of long-lived interlayer excitons in WS/WSe heterostructures
Alejandro R. -P. Montblanch, Dhiren M. Kara, Ioannis Paradisanos +13
Interlayer excitons in layered materials constitute a novel platform to study many-body phenomena arising from long-range interactions between quantum particles. The ability to loc…