28 citations · 124 across the 18 of their papers we have counts for
18 papers
Local-Antisymmetric Flat Band and Coexisting Correlated stripe charge orders in WSe2-Modulated Twisted Bilayer Graphene
Chi Zhang, Shihao Zhang, Mengmeng Zhang +2
Insulating, atomically flat transition metal dichalcogenides (TMDs) like WSe2 are ideal substrates for probing intrinsic graphene properties. Conventionally, their influence on gra…
Realization of 2/3-layer transition metal dichalcogenides
Ya-Xin Zhao, Zi-Yi Han, Ya-Ning Ren +4
Layered van der Waals transition metal dichalcogenides (TMDCs), generally composed of three atomic X-M-X planes in each layer (M = transition metal, X = chalcogen), provide versati…
Visualizing orbital angular momentum induced single wavefront dislocation in graphene
Yi-Wen Liu, Yu-Chen Zhuang, Ya-Ning Ren +5
Phase singularities are phase-indeterminate points where wave amplitudes are zero, which manifest as phase vertices or wavefront dislocations. In the realm of optical and electron…
Relativistic artificial molecules with tunable coupling and orbitals
Xiao-Feng Zhou, Yu-Chen Zhuang, Mo-Han Zhang +3
In a molecule formed by two atoms, energy difference between bonding and antibonding orbitals should depend on distance of the two atoms. However, exploring molecular orbitals of t…
Layer-dependent evolution of electronic structures and correlations in rhombohedral multilayer graphene
Yang Zhang, Yue-Ying Zhou, Shihao Zhang +18
The recent discovery of superconductivity and magnetism in trilayer rhombohedral graphene (RG) establishes an ideal, untwisted platform to study strong correlation electronic pheno…
One-dimensional moire chains with partially-filled flat bands in two-dimensional twisted bilayer WSe2
Ya-Ning Ren, Hui-Ying Ren, Kenji Watanabe +2
Two-dimensional (2D) moire systems based on twisted bilayer graphene and transition metal dichalcogenides provide a promising platform to investigate emergent phenomena driven by s…
Tunable interfacial chemisorption with atomic-level precision in a graphene WSe2 heterostructure
Mo-Han Zhang, Fei Gao, Aleksander Bach Lorentzen +7
It has long been an ultimate goal to introduce chemical doping at the atomic level to precisely tune properties of materials. Two-dimensional materials have natural advantage becau…
Tunable Atomically Wide Electrostatic Barriers Embedded in a Graphene WSe2 Heterostructure
Hui-Ying Ren, Yue Mao, Ya-Ning Ren +2
Inducing and controlling electrostatic barriers in two-dimensional (2D) quantum materials has shown extraordinary promise to enable control of charge carriers, and is key for the r…
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…
Experimental evidence for electron-electron interaction and spin-charge separation in graphene quantum dots
Hui-Ying Ren, Ya-Ning Ren, Qi Zheng +2
Graphene quantum dots (GQDs) can exhibit a range of spectacular phenomena such as the Klein-tunneling-induced quasibound states1-6 and Berry-phase-tuned energy spectra7-15. Accordi…
Coexistence of Reconstructed and Unreconstructed Structures in Structural Transition Regime of Twisted Bilayer Graphene
Xiao-Feng Zhou, Yi-Wen Liu, Chen-Yue Hao +7
In twisted bilayer graphene (TBG), a twist-angle-dependent competition between interlayer stacking energy and intralayer elastic energy results in flat rigid layers at large twist…
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…
Molecular Collapse States in Elliptical Graphene/WSe2 Heterostructure Quantum Dots
Qi Zheng, Yu-Chen Zhuang, Ya-Ning Ren +3
In relativistic physics, both atomic collapse in heavy nucleus and Hawking radiation in black hole are predicted to occur through Klein tunneling process that couples particles and…
Magnetic field-tunable valley-contrasting pseudomagnetic confinement in graphene
Ya-Ning Ren, Yu-Chen Zhuang, Qing-Feng Sun +1
Introducing quantum confinement has uncovered a rich set of interesting quantum phenomena and allows one to directly probe the physics of confined (quasi-)particles. In most experi…
Imaging field-tuned quantum Hall broken-symmetry orders and quantum Hall conducting channel in charge-neutral graphene WSe2 heterostructure
Qi Zheng, Mo-Han Zhang, Ya-Ning Ren +1
The zeroth Landau level (0LL) in graphene has emerged as a flat-band platform in which distinct many-body phases can be explored with unprecedented control by simply tuning the str…
Realizing One-dimensional Metallic States in Graphene via Periodically Coupled Zeroth Pseudo-Landau Levels
Yi-Wen Liu, Zhen Zhan, Zewen Wu +3
Strain-induced pseudo-magnetic fields can mimic real magnetic fields to generate a zero-magnetic-field analogue of the Landau levels (LLs), i.e., the pseudo-LLs, in graphene. The d…
Continuously Tunable Berry Phase and Valley-Polarized Energy Spectra in Bilayer Graphene Quantum Dots
Ya-Ning Ren, Qiang Cheng, Qing-Feng Sun +1
Berry phase plays an important role in determining many physical properties of quantum systems. However, a Berry phase altering energy spectrum of a quantum system is comparatively…
Spatial and Magnetic Confinement of Massless Dirac Fermions
Ya-Ning Ren, Qiang Cheng, Chao Yan +4
The massless Dirac fermions and the ease to introduce spatial and magnetic confinement in graphene provide us unprecedented opportunity to explore confined relativistic matter in t…