Highly tunable ground and excited state excitonic dipoles in multilayer 2h-mose2

HIGHLIGHTS

• What: The authors show that interlayer excitons in bi- and tri-layer 2H-MoSe2 crystals exhibit electricfield-driven coupling with the ground (1s) and excited_states (2s) of the intralayer A excitons. The authors demonstrate that the hybrid states of these distinct exciton species provide strong oscillator strength, large permanent dipoles (up to 0.73 ± 0.01 enm), high energy tunability (up to ~200 meV), and full control of the spin and valley characteristics such that the exciton g-factor can be manipulated over a large range (from -4 to +14). To corroborate the intra-/interlayer character of . . .
  

   

  

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