9 papers
Chern number reversal and emergent superconductivity in rhombohedral graphene induced by in-plane magnetic fields
Xiaozhou Zan, Hangzhe Li, Jiawei Guo +11
Rhombohedral graphene with topological flat bands offers an ideal platform for realizing correlated and topological quantum phases. Here we investigate hBN aligned eight-layer rhom…
Strongly enhanced topological quantum phases in dual-surface AlO-encapsulated MnBiTe
Zichen Lian, Yongqian Wang, Yongchao Wang +4
The topological quantum phases in antiferromagnetic topological insulator MnBiTe hold promise for next-generation spintronics, but their experimental realization has been c…
Tailoring Neel orders in Layered Topological Antiferromagnets
Xiaotian Yang, Yongqian Wang, Yongchao Wang +5
In the two-dimensional limit, the interplay between Neel order and band topology in van der Waals topological antiferromagnets can give rise to novel quantum phenomena in the quant…
Second harmonic generation induced by gate voltage oscillation in few layer MnBi2Te4
Liangcai Xu, Zichen Lian, Yongchao Wang +7
Nonlinear charge transport, such as nonreciprocal longitudinal resistance and nonlinear Hall effect, has attracted considerable interest in probing the symmetries and topological p…
Chern insulator phase realized in dual-gate-tuned MnBi2Te4 thin films grown by molecular beam epitaxy
Yunhe Bai, Yuanzhao Li, Ruixuan Liu +19
The intrinsic magnetic order, large topological-magnetic gap and rich topological phases make MnBi2Te4 a wonderful platform to study exotic topological quantum states such as axion…
Towards the Quantized Anomalous Hall effect in AlO-capped MnBiTe
Yongqian Wang, Bohan Fu, Yongchao Wang +9
The quantum anomalous Hall effect in layered antiferromagnet MnBiTe harbors a rich interplay between magnetism and topology, holding a significant promise for low-power ele…