151 citations · 575 across the 20 of their papers we have counts for
20 papers
Visualizing orbital magnetism in electron doped rhombohedral multilayer graphene
Owen I. Sheekey, Trevor B. Arp, Benjamin A. Foutty +24
Electron doped rhombohedral multilayer graphene at high displacement field features an exceptionally flat band minimum with near-ideal quantum geometry. Experiments in this regime…
Transverse knots determined by their cyclic branched covers
Marc Kegel, Isacco Nonino
Harvey-Kawamuro-Plamenevskaya demonstrated the existence of (transversely) non-isotopic transverse knots such that for every their -fold cyclic branched covers are contact…
Interlayer Coupling-Induced Quantum Phase Transition in Quantum Anomalous Hall Multilayers
Ling-Jie Zhou, Deyi Zhuo, Ruobing Mei +8
A quantum phase transition arises from competition between different ground states and is typically accessed by varying a single physical parameter near absolute zero temperature.…
Interlayer Exchange Coupling-Induced Critical-Metal-to-Insulator Phase Transition in Quantum Anomalous Hall Insulators
Ruoxi Zhang, Yi-Fan Zhao, Ling-Jie Zhou +6
Interlayer exchange coupling (IEC) between two magnetic layers sandwiched by a nonmagnetic spacer layer plays a critical role in shaping the magnetic properties of such heterostruc…
Engineering Plateau Phase Transition in Quantum Anomalous Hall Multilayers
Deyi Zhuo, Ling-Jie Zhou, Yi-Fan Zhao +7
The plateau phase transition in quantum anomalous Hall (QAH) insulators corresponds to a quantum state wherein a single magnetic domain gives way to multiple magnetic domains and t…
Interface-Induced Superconductivity in Magnetic Topological Insulator-Iron Chalcogenide Heterostructures
Hemian Yi, Yi-Fan Zhao, Ying-Ting Chan +24
When two different electronic materials are brought together, the resultant interface often shows unexpected quantum phenomena, including interfacial superconductivity and Fu-Kane…
Three-Dimensional Quantum Anomalous Hall Effect in Magnetic Topological Insulator Trilayers of Hundred-Nanometer Thickness
Yi-Fan Zhao, Ruoxi Zhang, Zi-Ting Sun +9
Magnetic topological states refer to a class of exotic phases in magnetic materials with their non-trivial topological property determined by magnetic spin configurations. An examp…
Dirac-Fermion-Assisted Interfacial Superconductivity in Epitaxial Topological Insulator/Iron Chalcogenide Heterostructures
Hemian Yi, Lun-Hui Hu, Yi-Fan Zhao +15
Over the last decade, the possibility of realizing topological superconductivity (TSC) has generated much excitement, mainly due to the potential use of its excitations (Majorana z…
Axion Insulator State in Hundred-Nanometer-Thick Magnetic Topological Insulator Sandwich Heterostructures
Deyi Zhuo, Zi-Jie Yan, Zi-Ting Sun +10
An axion insulator is a three-dimensional (3D) topological insulator (TI), in which the bulk maintains the time-reversal symmetry or inversion symmetry but the surface states are g…
Environmental Doping-Induced Degradation of the Quantum Anomalous Hall Insulators
Han Tay, Yi-Fan Zhao, Ling-Jie Zhou +5
The quantum anomalous Hall (QAH) insulator is a topological quantum state with quantized Hall resistance and zero longitudinal resistance in the absence of an external magnetic fie…
Strong Room-Temperature Bulk Nonlinear Hall Effect in a Spin-Valley Locked Dirac Material
Lujin Min, Hengxin Tan, Zhijian Xie +8
Nonlinear Hall effect (NLHE) is a new type of Hall effect with wide application prospects. Practical device applications require strong NLHE at room temperature (RT). However, prev…
Creation of Chiral Interface Channels for Quantized Transport in Magnetic Topological Insulator Multilayer Heterostructures
Yi-Fan Zhao, Ruoxi Zhang, Jiaqi Cai +6
One-dimensional (1D) topologically protected states are usually formed at the interface between two-dimensional (2D) materials with different topological invariants. Therefore, 1D…
Confinement-Induced Chiral Edge Channel Interaction in Quantum Anomalous Hall Insulators
Ling-Jie Zhou, Ruobing Mei, Yi-Fan Zhao +8
In quantum anomalous Hall (QAH) insulators, the interior is insulating but electrons can travel with zero resistance along one-dimensional conducting paths known as chiral edge cha…
Electrical Switching of the Edge Current Chirality in Quantum Anomalous Hall Insulators
Wei Yuan, Ling-Jie Zhou, Kaijie Yang +9
A quantum anomalous Hall (QAH) insulator is a topological state of matter, in which the interior is insulating but electrical current flows along the edges of the sample, in either…
Crossover of Ising- to Rashba-Type Superconductivity in Epitaxial Bi2Se3/Monolayer NbSe2 Heterostructures
Hemian Yi, Lun-Hui Hu, Yuanxi Wang +15
A topological insulator (TI) interfaced with an s-wave superconductor has been predicted to host an unusual form of superconductivity known as topological superconductivity (TSC).…
Zero Magnetic Field Plateau Phase Transition in Higher Chern Number Quantum Anomalous Hall Insulators
Yi-Fan Zhao, Ruoxi Zhang, Ling-Jie Zhou +5
The plateau-to-plateau transition in quantum Hall effect under high magnetic fields is a celebrated quantum phase transition between two topological states through either sweeping…
Surface Charge Induced Dirac Band Splitting in a Charge Density Wave Material (TaSe4)2I
Hemian Yi, Zengle Huang, Wujun Shi +14
(TaSe4)2I, a quasi-one-dimensional (1D) crystal, shows a characteristic temperature-driven metal-insulator phase transition. Above the charge density wave (CDW) temperature Tc, (Ta…
Non-Majorana Origin of the Half-Quantized Conductance Plateau in Quantum Anomalous Hall Insulator and Superconductor Hybrid Structures
Morteza Kayyalha, Di Xiao, Ruoxi Zhang +14
A quantum anomalous Hall (QAH) insulator coupled to an s-wave superconductor is predicted to harbor a topological superconducting phase, the elementary excitations of which (i.e. M…
Stability of the bubble states in Corbino geometry under a tilted field
Pengjie Wang, Yijia Wu, Hua Chen +6
We measured the activation energy gap of the N = 2 bubble states using tilted-field technique in two GaAs/AlGaAs samples with Corbino geometry, and observed monotonically decreasin…
3/2 Fractional Quantum Hall Plateau in Confined Two-Dimensional Electron Gas
Hailong Fu, Yijia Wu, Ruoxi Zhang +9
Even-denominator fractional quantum Hall (FQH) states, such as 5/2 and 7/2, have been well known in a two-dimensional electron gas (2DEG) for decades and are still investigated as…