Tunable Interlayer Charge-transfer States in MoSe2/WS2 Moiré Superlattices
This study combines first-principles calculations and optical spectroscopy to demonstrate how tuning the vertical electric field in electron-doped MoSe2/WS2 moiré superlattices switches the band alignment from Type-I to Type-II, enabling precise control over interlayer charge-transfer states and the realization of a tunable Fermi-Hubbard model with predicted correlated charge-ordered states at integer and fractional fillings.
Zheyu Lu, Jiahui Nie, Tianle Wang, Rwik Dutta, Ruishi Qi, Jingxu Xie, Can Uzundal, Jianghan Xiao, Ziyu Wang, Yibo Feng, Kenji Watanabe, Takashi Taniguchi, James R. Chelikowsky, Archana Raja, Steven G. (…)2026-05-08✓ Author reviewed ⓘ🔬 cond-mat.mes-hall