Quantum spin Hall phase in 2D trigonal lattice

ZF Wang, KH Jin, F Liu - Nature Communications, 2016 - nature.com
The quantum spin Hall (QSH) phase is an exotic phenomena in condensed-matter physics.
Here we show that a minimal basis of three orbitals (s, px, py) is required to produce a QSH …

Spectroscopic perspective on the interplay between electronic and magnetic properties of magnetically doped topological insulators

JA Krieger, CZ Chang, MA Husanu, D Sostina, A Ernst… - Physical Review B, 2017 - APS
We combine low energy muon spin rotation (LE-μ SR) and soft-x-ray angle-resolved
photoemission spectroscopy (SX-ARPES) to study the magnetic and electronic properties of …

Direct evidence of induced magnetic moment in Se and the role of misplaced Mn in -based intrinsic magnetic topological insulator heterostructures

R Fukushima, VN Antonov, MM Otrokov, TT Sasaki… - Physical Review …, 2024 - APS
Intrinsic magnetic topological insulators, in which magnetism and topology are inherently
combined, are excellent systems to realize exotic phenomena such as the quantum …

Magnetic-field-induced topological phase transition in Fe-doped heterostructures

Y Satake, J Shiogai, GP Mazur, S Kimura, S Awaji… - Physical Review …, 2020 - APS
Three-dimensional topological insulators (3D TIs) possess a specific topological order of
electronic bands, resulting in gapless surface states via bulk-edge correspondence. Exotic …

Surface alloying and iron selenide formation in observed by x-ray absorption fine structure experiments

A Polyakov, HL Meyerheim, ED Crozier, RA Gordon… - Physical Review B, 2015 - APS
The atomic structure of ultrathin iron films deposited on the (0001) surface of the topological
insulator Bi 2 Se 3 is analyzed by surface x-ray absorption spectroscopy. Iron atoms …

Enhanced mobility of spin-helical Dirac fermions in disordered 3D topological insulators

J Dufouleur, L Veyrat, B Dassonneville, C Nowka… - Nano …, 2016 - ACS Publications
The transport length l tr and the mean free path le are determined for bulk and surface states
in a Bi2Se3 nanoribbon by quantum transport and transconductance measurements. We …

Coexistence of magnetic states and metamagnetism in the Bi2-x CrxSe3topological insulators

AS Khachatryan, EV Charnaya… - Europhysics …, 2021 - iopscience.iop.org
Abstract The dichalcogenide Bi 2 Te 3 and Bi 2 Se 3 crystals belong to the 3D topological
insulator family. Doping the crystals with magnetic ions can break the time-reversal …

Double Fe-impurity charge state in the topological insulator Bi2Se3

VS Stolyarov, SV Remizov, DS Shapiro, S Pons… - Applied Physics …, 2017 - pubs.aip.org
The influence of individual impurities of Fe on the electronic properties of topological
insulator Bi 2 Se 3 is studied by Scanning Tunneling Microscopy. The microscope tip is used …

Enhanced, homogeneously type-II superconductivity in Cu-intercalated PdTe2

A Vasdev, A Sirohi, MK Hooda… - Journal of Physics …, 2019 - iopscience.iop.org
Though the superconducting phase of the type-II Dirac semimetal PdTe 2 was shown to be
conventional in nature, the phase continued to be interesting in terms of its magnetic …

Scattering properties of the three-dimensional topological insulator : Coexistence of topologically trivial and nontrivial surface states with opposite spin …

P Sessi, O Storz, T Bathon, S Wilfert, KA Kokh… - Physical Review B, 2016 - APS
The binary chalcogenides Bi 2 Te 3 and Bi 2 Se 3 are the most widely studied topological
insulators. Although the quantum anomalous Hall effect has recently been observed in …