Room-temperature valley transistors for low-power neuromorphic computing

J Chen, Y Zhou, J Yan, J Liu, L Xu, J Wang… - Nature …, 2022 - nature.com
Valley pseudospin is an electronic degree of freedom that promises highly efficient
information processing applications. However, valley-polarized excitons usually have short …

Topoelectrical circuit realization of a Weyl semimetal heterojunction

SM Rafi-Ul-Islam, Z Bin Siu, MBA Jalil - Communications Physics, 2020 - nature.com
Weyl semimetals (WSMs) are a recent addition to the family of topological materials, and the
physical realization of heterojunctions between different types of WSMs is challenging. Here …

Type-II corner modes in topolectrical circuits

SM Rafi-Ul-Islam, ZB Siu, H Sahin, MBA Jalil - Physical Review B, 2022 - APS
We study the rich properties of a topolectrical (TE) circuit array consisting of lossless basic
electrical components, such as capacitors and inductors, which can be designed to exhibit …

Magnetotransport of Weyl semimetals with tilted Dirac cones

A Kundu, ZB Siu, H Yang, MBA Jalil - New Journal of Physics, 2020 - iopscience.iop.org
Weyl semimetals (WSM) exhibit chiral anomaly in their magnetotransport due to broken
conservation laws. Here, we analyze the magnetotransport of WSM in the presence of the …

Black hole mirages: Electron lensing and Berry curvature effects in inhomogeneously tilted Weyl semimetals

A Haller, S Hegde, C Xu, C De Beule, TL Schmidt… - SciPost Physics, 2023 - scipost.org
We study electronic transport in Weyl semimetals with spatially varying nodal tilt profiles. We
find that the flow of electrons can be guided precisely by judiciously chosen tilt profiles. In a …

Absorption of circular polarized light in tilted type-I and type-II Weyl semimetals

SP Mukherjee, JP Carbotte - Physical Review B, 2017 - APS
We calculate the ac optical response to circularly polarized light of a Weyl semimetal (WSM)
with varying amounts of tilt of the Dirac cones. Both type-I and-II (overtilted) WSMs are …

Quasi-exact solutions for guided modes in two-dimensional materials with tilted Dirac cones

RA Ng, A Wild, ME Portnoi, RR Hartmann - Scientific Reports, 2022 - nature.com
We show that if the solutions to the (2+ 1)-dimensional massless Dirac equation for a given
one-dimensional (1D) potential are known, then they can be used to obtain the eigenvalues …

Anisotropic and gate-tunable valley filtering based on 8-Pmmn borophene

J Zheng, J Lu, F Zhai - Nanotechnology, 2020 - iopscience.iop.org
We propose a valley filter based on 8-Pmmn borophene which hosts two tilted Dirac cones.
It is found that the application of a magnetic-electric barrier provided by a single …

Coexistence of a spin–valley-coupled Dirac semimetal and robust quantum spin Hall state with significant Rashba spin-splitting in a halogenated BiAs film

BR Dhori, PK Jha, B Chakraborty - Journal of Materials Chemistry C, 2024 - pubs.rsc.org
Two-dimensional (2D) honeycomb layered structures (HLSs) have emerged as a significant
pathway for exploring the intercorrelation between two distinct degrees of freedom in Dirac …

Berry curvature induced antisymmetric in-plane magneto-transport in magnetic Weyl EuB6

Q Zeng, C Yi, J Shen, B Wang, H Wei, Y Shi… - Applied Physics …, 2022 - pubs.aip.org
In-plane transport properties, including anisotropic magnetoresistance (AMR) and planar
Hall effect (PHE), are of great interest in electrical transport and spintronic applications …