Ultranarrow electroluminescence from magnetic excitons in the van der Waals antiferromagnetic semiconductor NiPS3
NiPS3 has a monoclinic structure, where Ni ions are octahedrally coordinated by six S ligands, and the resulting…
Bichromatic moiré superlattices for tunable quadrupolar trions and correlated states
Structures of R- and H-stacked WSe2/WS2/WSe2 heterotrilayers We fabricated dual-gate WSe2/WS2/WSe2 heterotrilayer devices, which allow independent control of…
Fermi polarons under strain-induced pseudomagnetic fields
Pseudospin in strained TMDs The spatial symmetry of TMDs dictates that a linearly polarized photon in a state…
Observation of hyperbolic intersubband polaritons in native-dielectric-doped van der Waals semiconductor quantum wells
Intersubband transition and native-dielectric-doping The intersubband transition energies in the WSe2 QWs can be approximated with an infinite…
Photoinduced twist and untwist of moiré superlattices
Cao, Y. et al. Correlated insulator behaviour at half-filling in magic-angle graphene superlattices. Nature 556, 80–84 (2018). Article …
Field-tunable valley coupling in a dodecagonal semiconductor quasicrystal
Shechtman, D., Blech, I., Gratias, D. & Cahn, J. W. Metallic phase with long-range orientational order and no…
Quantum interference and occupation control in high harmonic generation from monolayer WS2
Transition from perturbative to strong-field driven HHG in monolayer WS2 Figure 1a schematically illustrates the electronic processes in monolayer…
Lateral exchange bias for Néel-vector control in atomically thin antiferromagnets
Figure 1a-i shows a representative cross-section through our sample that consists of a CrSBr bilayer with adjacent flakes of…
Electromagnetic interference shielding using metal and MXene thin films
Joo, K. et al. High performance package-level EMI shielding of Ag epoxy composites with spray method for high…
Hybrid Frenkel–Wannier excitons facilitate ultrafast energy transfer at a 2D–organic interface
Sample preparation To fabricate the WSe2/PTCDA heterostructure (Extended Data Fig. 1a), hBN was first exfoliated onto a 0.1%…
Charge transfer governed interlayer magnetic coupling and symmetry breaking in a van der Waals magnet
Magnetic hysteresis switching in trilayer CrSBr devices Figure 1a shows the structure of a 3L CrSBr back-gate device. The…
Local microwave sensing of excitons and their electrical environment
Local optoelectronic detection of discrete exciton Rydberg states We first introduce the ER-MIM technique that enables us to…