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Anisotropic Moiré Optical Transitions in Twisted Monolayer/bilayer Phosphorene Heterostructures
Shilong Zhao, Erqing Wang, Ebru Alime Üzer +8
Moiré superlattices of van der Waals heterostructures provide a powerful new way to engineer the electronic structures of two-dimensional (2D) materials. Many novel quantum phenome…
Flat Chern Band From Twisted Bilayer MnBiTe
Biao Lian, Zhaochen Liu, Yuanbo Zhang +1
We construct a continuum model for the Moiré superlattice of twisted bilayer MnBiTe, and study the band structure of the bilayer in both ferromagnetic (FM) and antiferromag…
Mapping Dynamical Magnetic Responses of Ultra-thin Micron-size Superconducting Films using Nitrogen-vacancy Centers in Diamond
Ying Xu, Yijun Yu, Yuen Yung Hui +6
Two-dimensional superconductors have attracted growing interest because of their scientific novelty, structural tunability, and useful properties. Studies of their magnetic respons…
Tunable Correlated Chern Insulator and Ferromagnetism in Trilayer Graphene/Boron Nitride Moiré Superlattice
Guorui Chen, Aaron L. Sharpe, Eli J. Fox +12
Studies on two-dimensional electron systems in a strong magnetic field first revealed the quantum Hall (QH) effect, a topological state of matter featuring a finite Chern number (C…
Magnetic-field-induced quantized anomalous Hall effect in intrinsic magnetic topological insulator MnBiTe
Yujun Deng, Yijun Yu, Meng Zhu Shi +3
In a magnetic topological insulator, nontrivial band topology conspires with magnetic order to produce exotic states of matter that are best exemplified by quantum anomalous Hall (…
Signatures of Gate-Tunable Superconductivity in Trilayer Graphene/Boron Nitride Moiré Superlattice
Guorui Chen, Aaron L. Sharpe, Patrick Gallagher +12
Understanding the mechanism of high temperature (high Tc) superconductivity is a central problem in condensed matter physics. It is often speculated that high Tc superconductivity…