Nanoscale
Temperature dependence of excitonic Hubbard U interaction in WS2/WSe2 moiré superlattices.
Zihao Wang, Haowen Xu, Shihong Chen, Yutang Wang, Rui Han, Zejun Sun, Xiushuo Zhang, Shuchun Huang, Wei Gao, Huan Liu, Dameng Liu
Published: 202510.1039/d5nr02149a
Abstract
WS2/WSe2 moiré superlattices, formed with small twist angles, realize unique quantum phenomena such as the Hubbard effect due to periodic potential wells confining excitons. The Hubbard U interaction denotes the energy penalty for multiple excitons o…
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