295 citations · 3.1k across the 44 of their papers we have counts for
44 papers
Strongly Anisotropic Spin and Orbital Rashba Effect at a Tellurium - Noble Metal Interface
B. Geldiyev, M. Ünzelmann, P. Eck +19
We study the interplay of lattice, spin and orbital degrees of freedom in a two-dimensional model system: a flat square lattice of Te atoms on a Au(100) surface. The atomic structu…
Domain dependent Fermi arcs observed in a striped phase dichalcogenide
T. Mizokawa, A. Barinov, V. Kandyba +11
Angle-resolved photoemission spectromicroscopy on IrTe2 reveals evolution of mesoscopic striped domains across its first order phase transition at about 280 K. The striped texture…
Experimental observation and spin texture of Dirac node arcs in tetradymite topological metals
J. Dai, E. Frantzeskakis, N. Aryal +10
We report the observation of a non-trivial spin texture in Dirac node arcs, novel topological objects formed when Dirac cones of massless particles extend along an open one-dimensi…
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…
Spin-polarized Weyl cones and gigantic anomalous Nernst effect in ferromagnetic Heusler films
Kazuki Sumida, Yuya Sakuraba, Keisuke Masuda +8
Weyl semimetals are characterized by the presence of massless band dispersion in momentum space. When a Weyl semimetal meets magnetism, large anomalous transport properties emerge…
Switching of band inversion and topological surface states by charge density wave
N. Mitsuishi, Y. Sugita, M. S. Bahramy +14
Topologically nontrivial materials host protected edge states associated with the bulk band inversion through the bulk-edge correspondence. Manipulating such edge states is highly…
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…
Observation of a cubic Rashba effect in the surface spin structure of rare-earth ternary materials
D. Yu. Usachov, I. A. Nechaev, G. Poelchen +17
Spin-orbit interaction and structure inversion asymmetry in combination with magnetic ordering is a promising route to novel materials with highly mobile spin-polarized carriers at…
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…
Weyl-like points from band inversions of spin-polarised surface states in NbGeSb
I. Marković, C. A. Hooley, O. J. Clark +16
Band inversions are key to stabilising a variety of novel electronic states in solids, from topological surface states in inverted bulk band gaps of topological insulators to the f…
Radial spin texture in elemental tellurium with chiral crystal structure
M. Sakano, M. Hirayama, T. Takahashi +18
The chiral crystal is characterized by a lack of mirror symmetry and an inversion center, resulting in the inequivalent right- and left-handed structures. In the noncentrosymmetric…
Crossover from 2D metal to 3D Dirac semimetal in metallic PtTe2 films with local Rashba effect
Ke Deng, Mingzhe Yan, Chu-Ping Yu +10
PtTe2 and PtSe2 with trigonal structure have attracted extensive research interests since the discovery of type-II Dirac fermions in the bulk crystals. The evolution of the electro…
A general route to form topologically-protected surface and bulk Dirac fermions along high-symmetry lines
O. J. Clark, F. Mazzola, I. Marković +11
The band inversions that generate the topologically non-trivial band gaps of topological insulators and the isolated Dirac touching points of three-dimensional Dirac semimetals gen…
Discovery of Weyl nodal lines in a single-layer ferromagnet
B. Feng, R. -W. Zhang, Y. Feng +9
Two-dimensional (2D) materials have attracted great attention and spurred rapid development in both fundamental research and device applications. The search for exotic physical pro…
Electronic properties of type-II Weyl semimetal WTe. A review perspective
P. K. Das, D. Di Sante, F. Cilento +17
Currently, there is a flurry of research interest on materials with an unconventional electronic structure, and we have already seen significant progress in their understanding and…
Multiple topological states in iron-based superconductors
Peng Zhang, Zhijun Wang, Xianxin Wu +24
Topological insulators and semimetals as well as unconventional iron-based superconductors have attracted major recent attention in condensed matter physics. Previously, however, l…
Topological Dirac semimetal phase in the iron-based superconductor Fe(Te,Se)
Peng Zhang, Zhijun Wang, Yukiaki Ishida +20
Topological Dirac semimetals (TDSs) exhibit bulk Dirac cones protected by time reversal and crystal symmetry, as well as surface states originating from non-trivial topology. While…
Non-trivial surface states of samarium hexaboride at the (111) surface
Y. Ohtsubo, Y. Yamashita, K. Hagiwara +10
The peculiar metallic electronic states observed in the Kondo insulator, samarium hexaboride (SmB), has stimulated considerable attention among those studying non-trivial elect…
Experimental observation of node-line-like surface states in LaBi
Baojie Feng, Jin Cao, Meng Yang +10
In a Dirac nodal line semimetal, the bulk conduction and valence bands touch at extended lines in the Brillouin zone. To date, most of the theoretically predicted and experimentall…
Large-gap magnetic topological heterostructure formed by subsurface incorporation of a ferromagnetic layer
Toru Hirahara, Sergey V. Eremeev, Tetsuroh Shirasawa +17
Inducing magnetism into topological insulators is intriguing for utilizing exotic phenomena such as the quantum anomalous Hall effect (QAHE) for technological applications. While m…
Direct evidence of hidden local spin polarization in a centrosymmetric superconductor LaOFBiS
Shi-Long Wu, Kazuki Sumida, Koji Miyamoto +9
Conventional Rashba spin polarization is caused by the combination of strong spin-orbit interaction (SOI) and spatial inversion asymmetry. However, Rashba- and Dresselhaus-type spi…
High quality atomically thin PtSe2 films grown by molecular beam epitaxy
Mingzhe Yan, Eryin Wang, Xue Zhou +13
Atomically thin PtSe2 films have attracted extensive research interests for potential applications in high-speed electronics, spintronics and photodetectors. Obtaining high quality…
Discovery of two-dimensional Dirac nodal line fermions in monolayer Cu2Si
Baojie Feng, Botao Fu, Shusuke Kasamatsu +18
Topological nodal line semimetals, a novel quantum state of materials, possess topologically nontrivial valence and conduction bands that touch at a line near the Fermi level. The…
Observation of the spin-polarized surface state in a noncentrosymmetric superconductor BiPd
Madhab Neupane, Nasser Alidoust, M. Mofazzel Hosen +17
Recently, noncentrosymmetric superconductor BiPd has attracted considerable research interest due to the possibility of hosting topological superconductivity. Here we report a syst…