Many-body corrected tight-binding Hamiltonians for an accurate quasiparticle description of topological insulators of the family

I Aguilera, C Friedrich, S Blügel - Physical Review B, 2019 - APS
We generate many-body corrected tight-binding Hamiltonians for topological insulators of
the Bi 2 Se 3 family. To this end, we use ab initio calculated parameters extracted from GW …

Carrier injection observed by interface-enhanced Raman scattering from topological insulators on gold substrates

S Scheitz, TE Glier, C Nweze, M van Heek… - … Applied Materials & …, 2022 - ACS Publications
The electron-phonon interaction at the interface between topological insulator (TI), namely,
Bi2Se3 and Bi2Te3 two-dimensional (2D) nanoflakes, to a gold substrate as a function of TI …

superconductivity, dimensional transport, and high electron mobility are associated with the natural nanostructure of single crystals

J Zich, M Míšek, V Holý, K Carva, J Čížek, J Navrátil… - Physical Review B, 2023 - APS
In this paper, we report the physical properties of Fe x Bi 2 Se 3 single crystals. Fe-
intercalated Bi 2 Se 3 exhibits superconductivity, pronounced Shubnikov–de Haas …

Complex band structure of topological insulator Bi2Se3

J Betancourt, S Li, X Dang, JD Burton… - Journal of Physics …, 2016 - iopscience.iop.org
Topological insulators are very interesting from a fundamental point of view, and their
unique properties may be useful for electronic and spintronic device applications. From the …

Topological Insulator Bi2Te3: The Effect of Doping with Elements from the VIII B Column of the Periodic Table

S Cichoň, V Drchal, K Horáková, V Cháb… - The Journal of …, 2022 - ACS Publications
We studied the doping of a Bi2Te3 single crystal using angle-resolved photoemission and
ab initio electronic structure calculations. We find that at the surface, the typical bulk p-type …

Observability of superconductivity in Sr-doped at the surface using scanning tunneling microscope

M Bagchi, J Brede, Y Ando - Physical Review Materials, 2022 - APS
The superconducting materials family of doped Bi 2 Se 3 remains intensively studied in the
field of condensed matter physics due to strong experimental evidence for topologically …

Signature of gate-controlled magnetism and localization effects at Bi2Se3/EuS interface

S Mathimalar, S Sasmal, A Bhardwaj, S Abhaya… - npj Quantum …, 2020 - nature.com
Proximity of a topological insulator (TI) surface with a magnetic insulator (MI) can open an
exchange gap at the Dirac point leading to exploration of surface quantum anomalous Hall …

Band Structure of Topological Insulator BiSbTe1.25Se1.75

H Lohani, P Mishra, A Banerjee, K Majhi, R Ganesan… - Scientific reports, 2017 - nature.com
We present our angle resolved photoelectron spectroscopy (ARPES) and density functional
theory results on quaternary topological insulator (TI) BiSbTe1. 25Se1. 75 (BSTS) confirming …

Magnetic properties of Mn-doped topological insulators: Ab initio calculations

K Carva, P Baláž, J Šebesta, I Turek, J Kudrnovský… - Physical Review B, 2020 - APS
Doping Bi 2 Se 3 by magnetic ions represents an interesting problem since it may break the
time-reversal symmetry needed to maintain the topological insulator character. Mn dopants …

Electronic and transport properties of the Mn-doped topological insulator : A first-principles study

K Carva, J Kudrnovský, F Máca, V Drchal, I Turek… - Physical Review B, 2016 - APS
We present a first-principles study of the electronic, magnetic, and transport properties of the
topological insulator Bi 2 Te 3 doped with Mn atoms in substitutional (Mn Bi) and interstitial …