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Moiré excitons: from programmable quantum emitter arrays to spin-orbit coupled artificial lattices
Hongyi Yu, Gui-Bin Liu, Jianju Tang +2
Highly uniform and ordered nanodot arrays are crucial for high performance quantum optoelectronics including new semiconductor lasers and single photon emitters, and for synthesizi…
Ligand-field helical luminescence in a 2D ferromagnetic insulator
Kyle L. Seyler, Ding Zhong, Dahlia R. Klein +11
Bulk chromium triiodide (CrI) has long been known as a layered van der Waals ferromagnet. However, its monolayer form was only recently isolated and confirmed to be a truly two…
Switchable valley functionalities of an junction in 2D semiconductors
Matisse Wei-Yuan Tu, Wang Yao
We show that an junction in 2D semiconductors can flexibly realize two basic valleytronic functions, i.e. valley filter and valley source, with gate controlled switchab…
Van der Waals Engineering of Ferromagnetic Semiconductor Heterostructures for Spin and Valleytronics
Ding Zhong, Kyle L. Seyler, Xiayu Linpeng +11
The integration of magnetic material with semiconductors has been fertile ground for fundamental science as well as of great practical interest toward the seamless integration of i…
Layer-dependent Ferromagnetism in a van der Waals Crystal down to the Monolayer Limit
Bevin Huang, Genevieve Clark, Efren Navarro-Moratalla +11
Since the celebrated discovery of graphene, the family of two-dimensional (2D) materials has grown to encompass a broad range of electronic properties. Recent additions include spi…
Optical selection rules for excitonic Rydberg series in the massive Dirac cones of hexagonal 2D materials
Pu Gong, Hongyi Yu, Yong Wang +1
We investigate the optical transition selection rules for excitonic Rydberg series formed in massive Dirac cones. The entanglement of the exciton envelop function with the pseudosp…