Half-integer Shapiro steps in highly transmissive InSb nanoflag Josephson junctions

A Iorio, A Crippa, B Turini, S Salimian, M Carrega… - Physical Review …, 2023 - APS
We investigate a ballistic InSb nanoflag-based Josephson junction with Nb superconducting
contacts. The high transparency of the superconductor-semiconductor interfaces enables …

[HTML][HTML] Gate-controlled supercurrent in ballistic InSb nanoflag Josephson junctions

S Salimian, M Carrega, I Verma, V Zannier… - Applied Physics …, 2021 - pubs.aip.org
High-quality III–V narrow bandgap semiconductor materials with strong spin–orbit coupling
and large Landé g-factor provide a promising platform for next-generation applications in the …

Strong and tunable spin–orbit interaction in a single crystalline InSb nanosheet

Y Chen, S Huang, D Pan, J Xue, L Zhang… - npj 2D Materials and …, 2021 - nature.com
A dual-gate InSb nanosheet field-effect device is realized and is used to investigate the
physical origin and the controllability of the spin–orbit interaction in a narrow bandgap …

Exceptional degeneracies in non-Hermitian Rashba semiconductors

J Cayao - Journal of Physics: Condensed Matter, 2023 - iopscience.iop.org
Exceptional points (EPs) are spectral degeneracies of non-Hermitian (NH) systems where
eigenvalues and eigenvectors coalesce, inducing unique topological phases that have no …

Quantum Transport in InSb Quantum Well Devices: Progress and Perspective

Z Lei, E Cheah, R Schott, CA Lehner… - Journal of Physics …, 2024 - iopscience.iop.org
InSb, a narrow-band III-V semiconductor, is known for its small bandgap, small electron
effective mass, high electron mobility, large effective g-factor, and strong spin-orbit …

Quantum transport in high-quality shallow InSb quantum wells

Z Lei, CA Lehner, E Cheah, M Karalic, C Mittag… - Applied Physics …, 2019 - pubs.aip.org
InSb is one of the promising candidates to realize a topological state through proximity
induced superconductivity in a material with strong spin–orbit interactions. In two …

Quantum Dots in an Two-Dimensional Electron Gas

I Kulesh, CT Ke, C Thomas, S Karwal, CM Moehle… - Physical Review …, 2020 - APS
Indium-antimonide (In Sb) two-dimensional electron gases (2DEGs) have a unique
combination of material properties: high electron mobility, a strong spin-orbit interaction, a …

Gate-defined two-dimensional hole and electron systems in an undoped InSb quantum well

Z Lei, E Cheah, F Krizek, R Schott, T Bähler… - Physical Review …, 2023 - APS
Quantum transport measurements are performed in gate-defined, high-quality, two-
dimensional hole and electron systems in an undoped InSb quantum well. For both …

A double quantum dot defined by top gates in a single crystalline InSb nanosheet

Y Chen, S Huang, J Mu, D Pan, J Zhao… - Chinese Physics …, 2021 - iopscience.iop.org
We report on the transport study of a double quantum dot (DQD) device made from a
freestanding, single crystalline InSb nanosheet. The freestanding nanosheet is grown by …

Geometry-modulated dipole polarizability of the two-dimensional Mott-Wannier excitons in gate-defined anisotropic quantum dot

A Poszwa - Scientific Reports, 2022 - nature.com
A theoretical investigation on neutral excitons confined to a mono-layer (ML) semiconductor
transition metal dichalcogenide (TMDC) materials under the influence of elliptically …