823 citations · 3.5k across the 43 of their papers we have counts for
18 papers · 1 filter
Chiral Dirac fermion in a collinear antiferromagnet
Ao Zhang, Ke Deng, Jieming Sheng +18
In a Dirac semimetal, the massless Dirac fermion has zero chirality, leading to surface states connected adiabatically to a topologically trivial surface state as well as vanishing…
Single crystal synthesis and low-lying electronic structure of VS
Yu-Jie Hao, Ming-Yuan Zhu, Xiao-Ming Ma +17
We report successful growth of millimeter-sized high quality single crystals of VS, a candidate topological semimetal belonging to a low-symmetry space group and consisting…
Observation of spin-momentum-layer locking in centrosymmetric BiOI
Ke Zhang, Shixuan Zhao, Zhanyang Hao +16
Spin polarization effects in nonmagnetic materials are generally believed as an outcome of spin-orbit coupling provided that the global inversion symmetry is lacking, also known as…
Half-Magnetic Topological Insulator
Ruie Lu, Hongyi Sun, Shiv Kumar +21
Topological magnets are a new family of quantum materials providing great potential to realize emergent phenomena, such as quantum anomalous Hall effect and axion-insulator state.…
Spectroscopic realization of large surface gap in a doped magnetic topological insulator
Xiao-Ming Ma, Yufei Zhao, Ke Zhang +25
Realization of the quantum anomalous Hall effect and axion electrodynamics in topological materials are among the paradigmatic phenomena in condensed matter physics. Recently, sign…
Distinct Topological Surface States on the Two Terminations of MnBiTe
Xuefeng Wu, Jiayu Li, Xiao-Ming Ma +20
The recent discovered intrinsic magnetic topological insulator MnBi2Te4 have been met with unusual success in hosting emergent phenomena such as the quantum anomalous Hall effect a…
Gapless surface Dirac cone in antiferromagnetic topological insulator MnBiTe
Yu-Jie Hao, Pengfei Liu, Yue Feng +18
The recent discovered antiferromagnetic topological insulators in Mn-Bi-Te family with intrinsic magnetic ordering have rapidly drawn broad interest since its cleaved surface state…
Dimensional crossover and topological nature of the thin films of a three-dimensional topological insulator by band gap engineering
Zhenyu Wang, Tong Zhou, Tian Jiang +10
Identification and control of topological phases in topological thin films offer great opportunity for fundamental research and the fabrication of topology-based devices. Here, com…
Nanospot Angle-Resolved Photoemission Study of Bernal-Stacked Bilayer Graphene on Hexagonal Boron Nitride: Band Structure and Local Variation of Lattice Alignment
Frédéric Joucken, Eberth A. Quezada-López, Jose Avila +7
Hexagonal boron nitride (hBN) is the supporting substrate of choice for two-dimensional material devices because it is atomically flat and chemically inert. However, due to the sma…
Black Arsenic: A Layered Semiconductor with Extreme in-plane Anisotropy
Yabin Chen, Chaoyu Chen, Robert Kealhofer +18
Two-dimensional (2D) layered materials emerge in recent years as a new platform to host novel electronic, optical or excitonic physics and develop unprecedented nanoelectronic and…
Quasicrystalline 30° Twisted Bilayer Graphene as an Incommensurate Superlattice with Strong Interlayer Coupling
Wei Yao, Eryin Wang, Changhua Bao +9
The interlayer coupling can be used to engineer the electronic structure of van der Waals heterostructures (superlattices) to obtain properties that are not possible in a single ma…
Temperature-Driven Topological Transition in 1T'-MoTe2
Ayelet Notis Berger, Erick Andrade, Alex Kerelsky +12
The topology of Weyl semimetals requires the existence of unique surface states. Surface states have been visualized in spectroscopy measurements, but their connection to the topol…
Electronic bandstructure of ReS2 by high resolution angle resolved photoemission spectroscopy
James L. Webb, Lewis S. Hart, Daniel Wolverson +3
The rhenium-based transition metal dichalcogenides (TMDs) are atypical of the TMD family due to their highly anisotropic crystalline structure and are recognized as promising mater…
A novel artificial condensed matter lattice and a new platform for one-dimensional topological phases
Ilya Belopolski, Su-Yang Xu, Nikesh Koirala +22
Engineered lattices in condensed matter physics, such as cold atom optical lattices or photonic crystals, can have fundamentally different properties from naturally-occurring elect…
Stacking-dependent electronic structure of trilayer graphene resolved by nanospot angle-resolved photoemission spectroscopy
Changhua Bao, Wei Yao, Eryin Wang +4
The crystallographic stacking order in multilayer graphene plays an important role in determining its electronic structure. In trilayer graphene, rhombohedral stacking (ABC) is par…
Electronic structure of transferred graphene/h-BN van der Waals heterostructures with nonzero stacking angles by nano-ARPES
Eryin Wang, Guorui Chen, Guoliang Wan +8
In van der Waals heterostructures, the periodic potential from the Moiré superlattice can be used as a control knob to modulate the electronic structure of the constituent material…
Evidence of Topological Surface State in Three-Dimensional Dirac Semimetal Cd3As2
Hemian Yi, Zhijun Wang, Chaoyu Chen +23
The three-dimensional topological semimetals represent a new quantum state of matter. Distinct from the surface state in the topological insulators that exhibits linear dispersion…
Persistence of Topological Order and Formation of Quantum Well States in Topological Insulators Bi2(Se,Te)3 under Ambient Conditions
Chaoyu Chen, Shaolong He, Hongming Weng +23
The topological insulators represent a unique state of matter where the bulk is insulating with an energy gap while the surface is metallic with a Dirac cone protected by the time…