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Lateral heterojunctions within monolayer semiconductors
Chunming Huang, Sanfeng Wu, Ana M. Sanchez +7
Heterojunctions between three-dimensional (3D) semiconductors with different bandgaps are the basis of modern light-emitting diodes, diode lasers, and high-speed transistors. Creat…
Observation of Long-Lived Interlayer Excitons in Monolayer MoSe2-WSe2 Heterostructures
Pasqual Rivera, John R. Schaibley, Aaron M. Jones +9
Two-dimensional (2D) materials, such as graphene1, boron nitride2, and transition metal dichalcogenides (TMDs)3-5, have sparked wide interest in both device physics and technologic…
Coherent Electronic Coupling in Atomically Thin MoSe2
Akshay Singh, Galan Moody, Sanfeng Wu +6
We report the first direct spectroscopic evidence for coherent electronic coupling between excitons and trions in atomically thin transition metal dichalcogenides, specifically mon…
Valley Contrasting Magnetoluminescence in Monolayer MoS Quantum Hall Systems
Rui-Lin Chu, Xiao Li, Sanfeng Wu +4
The valley dependent optical selection rules in recently discovered monolayer group-VI transition metal dichalcogenides (TMDs) make possible optical control of valley polarization,…