Intermixing‐Driven Surface and Bulk Ferromagnetism in the Quantum Anomalous Hall Candidate MnBi6Te10

AV Tcakaev, B Rubrecht, JI Facio… - Advanced …, 2023 - Wiley Online Library
The recent realizations of the quantum anomalous Hall effect (QAHE) in MnBi2Te4 and
MnBi4Te7 benchmark the (MnBi2Te4)(Bi2Te3) n family as a promising hotbed for further …

Noncollinear twisted RKKY interaction on the optically driven SnTe (001) surface

M Yarmohammadi, M Bukov, MH Kolodrubetz - Physical Review B, 2023 - APS
The nontrivial spin texture on the (001) surface of topological crystalline insulator SnTe hosts
exotic scientific importance and spintronic applications. Here, we study the effects of weak …

Understanding the nature of the magnetic coupling in transition metal doped

S Sarkar, S Sharma, O Eriksson, I Di Marco - Physical Review B, 2024 - APS
In this paper, we employ electronic structure theory to investigate the nature of the exchange
coupling in transition metal doped Bi 2 Se 3. We focus on V, Cr, Mn, and Fe, which have …

Tight-binding theory of spin-spin interactions, Curie temperatures, and quantum Hall effects in topological (Hg, Cr) Te in comparison to nontopological (Zn, Cr) Te and …

C Śliwa, T Dietl - Physical Review B, 2024 - APS
Earlier theoretical results on pd and dd exchange interactions for zinc-blende
semiconductors with Cr 2+ and Mn 3+ ions are revisited and extended by including …

Two-dimensional ferromagnetic extension of a topological insulator

P Kagerer, CI Fornari, S Buchberger, T Tschirner… - Physical Review …, 2023 - APS
Inducing a magnetic gap at the Dirac point of the topological surface state (TSS) in a three-
dimensional (3D) topological insulator (TI) is a route to dissipationless charge and spin …

The AiiDA-KKR plugin and its application to high-throughput impurity embedding into a topological insulator

P Rüßmann, F Bertoldo, S Blügel - npj Computational Materials, 2021 - nature.com
The ever increasing availability of supercomputing resources led computer-based materials
science into a new era of high-throughput calculations. Recently, Pizzi et al. introduced the …

Band gap opening in the topological surface state induced by ferromagnetic surface reordering

AK Kaveev, SM Suturin, VA Golyashov, KA Kokh… - Physical Review …, 2021 - APS
Introducing magnetic exchange interaction into topological insulators is known to break the
time-reversal symmetry and to open a gap at the Dirac point in the otherwise gapless …

Tunable Colossal Anomalous Hall Conductivity in Half‐Metallic Material Induced by d‐Wave‐Like Spin‐Orbit Gap

J Choi, JH Park, W Kyung, Y Kim, MK Kim… - Advanced …, 2024 - Wiley Online Library
The anomalous Hall conductivity (AHC) in magnetic materials, resulting from inverted band
topology, has emerged as a key adjustable function in spin‐torque devices and advanced …

Superexchange dominates in magnetic topological insulators

C Śliwa, C Autieri, JA Majewski, T Dietl - Physical Review B, 2021 - APS
It has been suggested that the enlarged spin susceptibility in topological insulators,
described by interband Van Vleck's formalism, accounts for the ferromagnetism of bismuth …

High-throughput magnetic co-doping and design of exchange interactions in topological insulators

R Mozumder, J Wasmer, D Antognini Silva, S Blügel… - Physical Review …, 2024 - APS
Using high-throughput automation of ab initio impurity embedding simulations, we create a
database of 3 d and 4 d transition metal defects embedded into the prototypical topological …