697 citations · 2.4k across the 17 of their papers we have counts for
17 papers
Sputtering induced re-emergence of the topological surface state in BiSe
Raquel Queiroz, Gabriel Landolt, Stefan Muff +9
We study the fate of the surface states of BiSe under disorder with strength larger than the bulk gap, caused by neon sputtering and nonmagnetic adsorbates. We find that ne…
Unconventional transformation of spin Dirac phase across a topological quantum phase transition
Su-Yang Xu, Madhab Neupane, Ilya Belopolski +15
The topology of a topological material can be encoded in its surface states. These surface states can only be removed by a bulk topological quantum phase transition into a trivial…
Surface versus bulk contributions to the giant Rashba splitting in the ferroelectric α-GeTe(111) semiconductor
J. Krempaský, H. Volfová, S. Muff +14
In systems with broken inversion symmetry spin-orbit coupling (SOC) yields a Rashba-type spin splitting of electronic states, manifested in a k-dependent splitting of the bands. Wh…
Response of the topological surface state to surface disorder in TlBiSe
Florian Pielmeier, Gabriel Landolt, Bartosz Slomski +12
Through a combination of experimental techniques we show that the topmost layer of the topo- logical insulator TlBiSe as prepared by cleavage is formed by irregularly shaped Tl…
Direct observation of the spin texture in strongly correlated SmB6 as evidence of the topological Kondo insulator
N. Xu, P. K. Biswas, J. H. Dil +18
The concept of a topological Kondo insulator (TKI) has been brought forward as a new class of topological insulators in which non-trivial surface states reside in the bulk Kondo ba…
Surface vs bulk electronic structures of a moderately correlated topological insulator YbB6 revealed by ARPES
N. Xu, C. E. Matt, E. Pomjakushina +14
Systematic angle-resolved photoemission spectroscopy (ARPES) experiments have been carried out to investigate the bulk and (100) surface electronic structures of a topological mixe…
Spin correlated electronic state on the surface of a spin-orbit Mott system (Layered Iridates)
Chang Liu, Su-Yang Xu, Nasser Alidoust +13
Novel phases of two dimensional electron systems resulting from new surface or interface modified electronic structures have generated significant interest in material science. We…
Elemental Topological Insulator with a Tunable Fermi Level: Strained α-Sn on InSb(001)
A. Barfuss, L. Dudy, M. R. Scholz +16
We report on the epitaxial fabrication and electronic properties of a topological phase in strained α-Sn on InSb. The topological surface state forms in the presence of an unusual…
Interband spin-orbit coupling between anti-parallel spin states in Pb quantum well states
Bartosz Slomski, Gabriel Landolt, Stefan Muff +3
Using spin and angle-resolved photoemission spectroscopy we investigate a momentum region in Pb quantum well states on Si(111) where hybridization between Rashba-split bands alters…
Separating the bulk and surface n- to p-type transition in the topological insulator GeBi(4-x)SbxTe7
Stefan Muff, Fabian von Rohr, Gabriel Landolt +5
We identify the multi-layered compound GeBi4Te7 to be a topological insulator with a freestanding Dirac point, slightly above the valence band maximum, using angle-resolved photoem…
Tuning of the Rashba effect in Pb quantum well states via a variable Schottky barrier
Bartosz Slomski, Gabriel Landolt, Gustav Bihlmayer +2
Spin-orbit interaction (SOI) in low-dimensional systems results in the fascinating property of spin-momentum locking. In a Rashba system the inversion symmetry normal to the plane…
Hedgehog Spin-texture and Berry's Phase tuning in a Magnetic Topological Insulator
Su-Yang Xu, Madhab Neupane, Chang Liu +18
Understanding and control of spin degrees of freedom on the surfaces of topological materials are key to future applications as well as for realizing novel physics such as the axio…
Coupled Spin-Orbital Texture in a Prototypical Topological Insulator
Y. Cao, J. A. Waugh, N. C. Plumb +9
One of the most important properties of topological insulators (TIs) is the helical spin texture of the Dirac surface states, which has been theoretically and experimentally argued…
A topological crystalline insulator (TCI) phase via topological phase transition and crystalline mirror symmetry
Su-Yang Xu, Chang Liu, Nasser Alidoust +18
A Z2 topological insulator protected by time-reversal symmetry is realized via spin-orbit interaction driven band inversion. For example, the topological phase in the Bi-Sb system…
Anomalous spin-momentum locked two-dimensional states in the vicinity of a topological phase transition
Su-Yang Xu, M. Neupane, Chang Liu +12
We perform spin-resolved and spin-integrated angle-resolved photoemission spectroscopy measurements on a series of compositions in the BiTl(S1-xSex)2 system, focusing on x-values i…
Surface and bulk Fermiology and band dispersion in non-centrosymmetric BiTeI
Gabriel Landolt, Sergey V. Eremeev, Yury M. Koroteev +11
BiTeI has a layered and non-centrosymmetric structure where strong spin-orbit interaction leads to a giant spin splitting in the bulk bands. Here we present high-resolution angle-r…
Large tuneable Rashba spin splitting of a two-dimensional electron gas in Bi2Se3
P. D. C. King, R. C. Hatch, M. Bianchi +18
We report a Rashba spin splitting of a two-dimensional electron gas in the topological insulator BiSe from angle-resolved photoemission spectroscopy. We further demonstrate…