514 citations · 2.6k across the 56 of their papers we have counts for
13 papers · 1 filter
Gate-tunable phonon magnetic moment in bilayer graphene
Xiao-Wei Zhang, Yafei Ren, Chong Wang +2
We develop a first-principles quantum scheme to calculate the phonon magnetic moment in solids. As a showcase example, we apply our method to study gated bilayer graphene, a materi…
Electrically Controlled Anomalous Hall Effect and Orbital Magnetization in Topological Magnet MnBi2Te4
Ruobing Mei, Yi-Fan Zhao, Chong Wang +4
In this work, we propose an intrinsic mechanism to understand the even-odd effect, namely the opposite signs of the anomalous Hall resistance and the different shapes of hysteresis…
Tailoring interfacial nanostructures at graphene/transition metal dichalcogenide heterostructures
Ya-Ning Ren, Mo-Han Zhang, Qi Zheng +1
Integration of two-dimensional (2D) van der Waals (vdWs) materials with non-2D materials to realize mixed-dimensional heterostructures has potential for creating functional devices…
Stabilizing sample-wide Kekulé orders in graphene/transition metal dichalcogenide heterostructures
Mo-Han Zhang, Ya-Ning Ren, Qi Zheng +2
Kekulé phases are Peierls-like lattice distortions in graphene that are predicted to host novel electronic states beyond graphene (1-8). Although the Kekulé phases are realized in…
Van der Waals Heterostructure PtHgSe/CrI for Topological Valleytronics
Zheng Liu, Yulei Han, Yafei Ren +2
We identify a valley-polarized Chern insulator in the van der Waals heterostructure, PtHgSe/CrI, for potential applications with interplay between electric, magneti…
Twistronics in graphene-based van der Waals structures
Ya-Ning Ren, Yu Zhang, Yi-Wen Liu +1
The electronic properties of van der Waals (vdW) structures can be substantially modified by the moire superlattice potential, which strongly depends on the twist angle among the c…
Robust two-dimensional ice on graphene built from finite-length water molecular chains
Sheng Han, Jia-Bin Qiao, Lin-Fang Hou +7
Interfacial ice on graphene has attracted much attention because it is a model system to study two-dimensional (2D) ice structures on chemically inert substrates. While water-graph…
Approaching Three-Dimensional Quantum Hall effect in Bulk HfTe5
Pang Wang, Yafei Ren, Fangdong Tang +5
The discovery of quantum Hall effect in two-dimensional (2D) electronic systems inspired the topological classifications of electronic systems1,2. By stacking 2D quantum Hall effec…
Experimental evidence for orbital magnetic moments generated by moiré-scale current loops in twisted bilayer graphene
Si-Yu Li, Yu Zhang, Ya-Ning Ren +3
A remarkable property of twisted bilayer graphene (TBG) with small twist angle is the presence of a well-defined and conserved low-energy valley degrees of freedom1, which can pote…
Spectroscopic evidence for a spin and valley polarized metallic state in a non-magic-angle twisted bilayer graphene
Ya-Ning Ren, Chen Lu, Yu Zhang +7
In the magic-angle twisted bilayer graphene (MA-TBG), strong electron-electron (e-e) correlations caused by the band-flattening lead to many exotic quantum phases such as supercond…
Three-dimensional quantum Hall effect and metal-insulator transition in ZrTe5
Fangdong Tang, Yafei Ren, Peipei Wang +8
Symmetry, dimensionality, and interaction are crucial ingredients for phase transitions and quantum states of matter. As a prominent example, the integer quantum Hall effect (QHE)…
Topological Phases in Two-Dimensional Materials: A Brief Review
Yafei Ren, Zhenhua Qiao, Qian Niu
Topological phases with insulating bulk and gapless surface or edge modes have attracted much attention because of their fundamental physics implications and potential applications…
Single-Valley Engineering in Graphene Superlattices
Yafei Ren, Xinzhou Deng, Changsheng Li +5
The two inequivalent valleys in graphene preclude the protection against inter-valley scattering offered by an odd-number of Dirac cones characteristic of Z2 topological insulator…