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Quantum oscillations in 2D insulators induced by graphite gates
Jiacheng Zhu, Tingxin Li, Andrea F. Young +2
We demonstrate a mechanism for magnetoresistance oscillations in insulating states of two-dimensional (2D) materials arising from the interaction of the 2D layer and proximal graph…
Quantum anomalous Hall effect from intertwined moiré bands
Tingxin Li, Shengwei Jiang, Bowen Shen +8
Electron correlation and topology are two central threads of modern condensed matter physics. Semiconductor moiré materials provide a highly tunable platform for studies of electro…
Spin dynamics slowdown near the antiferromagnetic critical point in atomically thin FePS3
Xiao-Xiao Zhang, Shengwei Jiang, Jinhwan Lee +3
Two-dimensional (2D) magnetic materials have attracted much recent interest with unique properties emerging at the few-layer limit. Beyond the reported impacts on the static magnet…
Valley-Polarized Quantum Anomalous Hall State in Moiré MoTe/WSe Heterobilayers
Ying-Ming Xie, Cheng-Ping Zhang, Jin-Xin Hu +2
Moiré heterobilayer transition metal dichalcogenides (TMDs) emerge as an ideal system for simulating the single-band Hubbard model and interesting correlated phases have been obser…
Strongly correlated excitonic insulator in atomic double layers
Liguo Ma, Phuong X. Nguyen, Zefang Wang +6
Excitonic insulators (EI) arise from the formation of bound electron-hole pairs (excitons) in semiconductors and provide a solid-state platform for quantum many-boson physics. Stro…
Charge-order-enhanced capacitance in semiconductor moiré superlattices
Tingxin Li, Jiacheng Zhu, Yanhao Tang +5
Van der Waals moiré materials have emerged as a highly controllable platform to study the electronic correlation phenomena. In particular, robust correlated insulating states have…