Benchmarking noise and dephasing in emerging electrical materials for quantum technologies

S Islam, S Shamim, A Ghosh - Advanced Materials, 2023 - Wiley Online Library
As quantum technologies develop, a specific class of electrically conducting materials is
rapidly gaining interest because they not only form the core quantum‐enabled elements in …

Emergent phases in graphene flat bands

S Bhowmik, A Ghosh, U Chandni - Reports on Progress in …, 2024 - iopscience.iop.org
Electronic correlations in two-dimensional materials play a crucial role in stabilising
emergent phases of matter. The realisation of correlation-driven phenomena in graphene …

Emergent inhomogeneity and nonlocality in a graphene field-effect transistor on a near-parallel Moiré superlattice of transition metal dichalcogenides

S Sett, R Debnath, A Singha, S Mandal… - Nano Letters, 2024 - ACS Publications
At near-parallel orientation, twisted bilayers of transition metal dichalcogenides exhibit
interlayer charge transfer-driven out-of-plane ferroelectricity. Here, we report detailed …

Evidence of lifshitz transition in the thermoelectric power of ultrahigh-mobility bilayer graphene

A Jayaraman, K Hsieh, B Ghawri, PS Mahapatra… - Nano Letters, 2021 - ACS Publications
Resolving low-energy features in the density of states (DOS) holds the key to understanding
a wide variety of rich novel phenomena in graphene-based 2D heterostructures. The Lifshitz …

Interlayer polarizability in twisted bilayer graphene quantum dots

X Wang, L Zhang, S Yu, M Yang, KA Jackson - Physical Review B, 2021 - APS
Many of the intriguing properties of bilayer graphene (BLG) are related to interlayer
electronic coupling. Since this coupling is sensitive to an applied electric field perpendicular …

Scattering theory of transport through disordered magnets

MF Jakobsen, A Qaiumzadeh, A Brataas - Physical Review B, 2019 - APS
We present a scattering theory of transport through noncollinear disordered magnetic
insulators. For concreteness, we study and compare the random field model (RFM) and the …

Optimising graphene visibility in van der Waals heterostructures

TS Menon, S Mishra, VC Antony, K Dixit… - …, 2019 - iopscience.iop.org
Graphene constitutes one of the key elements in many functional van der Waals
heterostructures. However, it has negligible optical visibility due to its monolayer nature …

Spectral analysis of universal conductance fluctuations

IM Suslov - Journal of Experimental and Theoretical Physics, 2020 - Springer
Universal conductance fluctuations are usually observed in the form of aperiodic oscillations
in the magnetoresistance of thin wires under variation of the magnetic field B. A Fourier …

Electrical noise inside the band gap of bilayer graphene

MA Aamir, A Ghosh - 2D Materials, 2019 - iopscience.iop.org
Bilayer graphene (BLG), endowed with its electrostatically tunable band gap, plays a special
role in next generation 2D materials based electronics. However, important aspects of its …

Mechanism of universal conductance fluctuations

VV Brazhkin, IM Suslov - Journal of Physics: Condensed Matter, 2020 - iopscience.iop.org
Universal conductance fluctuations are usually observed in the form of aperiodic oscillations
in the magnetoresistance of thin wires as a function of the magnetic field B. If such …