Signatures of Topological Superconductivity in Bulk-Insulating Topological Insulator BiSbTe1.25Se1.75 in Proximity with Superconducting NbSe2

A Banerjee, A Sundaresh, R Ganesan, PSA Kumar - ACS nano, 2018 - ACS Publications
The combination of superconductivity and spin-momentum locking at the interface between
an s-wave superconductor and a three-dimensional topological insulator (3D-TI) is predicted …

Granular topological insulators

A Banerjee, O Deb, K Majhi, R Ganesan, D Sen… - Nanoscale, 2017 - pubs.rsc.org
We demonstrate experimentally that a macroscopic topological insulator (TI) phase can
emerge in a granular conductor composed of an assembly of tunnel coupled TI nanocrystals …

[图书][B] Modern semiconductor physics and device applications

V Dugaev, V Litvinov - 2021 - taylorfrancis.com
This textbook provides a theoretical background for contemporary trends in solid-state
theory and semiconductor device physics. It discusses advanced methods of quantum …

[图书][B] Magnetism in Topological insulators

V Litvinov - 2020 - Springer
From the time that semiconductor spintronics was recognized as a mainstream in solid-state
physics, the search for new materials that allow the manipulation of magnetism by an …

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 …

Evidence of charge transfer in three-dimensional topological insulator/antiferromagnetic Mott insulator heterostructures

S Mandal, D Mallick, A Banerjee, R Ganesan… - Physical Review B, 2023 - APS
We report magnetotransport measurements on Bi 1 Sb 1 Te 1.5 Se 1.5/RuCl 3
heterostructure nanodevices. Bi 1 Sb 1 Te 1.5 Se 1.5 (BSTS) is a strong three-dimensional …

Spatially varying electronic dephasing in three-dimensional topological insulators

A Banerjee, A Sundaresh, R Ganesan, PS Anil Kumar - Physical Review B, 2018 - APS
Information processing devices operating in the quantum mechanical regime strongly rely
on the quantum coherence of charge carriers. Studies of electronic dephasing in …

Crossover from gapped-to-gapless Dirac surface states in magnetic topological insulator MnBi2Te4

G Rastogi, A Mohapatra, P Mishra… - Journal of Physics …, 2023 - iopscience.iop.org
Intrinsic magnetic topological insulators (MTIs) host exotic topological phases such as
quantized anomalous Hall insulating phase, arising due to the large magnetic exchange …

Enhanced coherence and decoupled surface states in topological insulators through structural disorder

A Banerjee, R Ganesan, PS Anil Kumar - Applied Physics Letters, 2018 - pubs.aip.org
To harness the true potential of topological insulators as quantum materials for information
processing, it is imperative to maximise topological surface state conduction while …

Topological insulator n–p–n junctions in a magnetic field

A Banerjee, A Sundaresh, S Biswas, R Ganesan… - Nanoscale, 2019 - pubs.rsc.org
Electrical transport in three dimensional topological insulators (TIs) occurs through spin-
momentum locked topological surface states that enclose an insulating bulk. In the presence …