Long-range supercurrents through a chiral non-collinear antiferromagnet in lateral Josephson junctions

KR Jeon, BK Hazra, K Cho, A Chakraborty, JC Jeon… - Nature materials, 2021 - nature.com
The proximity-coupling of a chiral non-collinear antiferromagnet (AFM),,,–with a singlet
superconductor allows spin-unpolarized singlet Cooper pairs to be converted into spin …

Search for QCD axion dark matter with transmon qubits and quantum circuit

S Chen, H Fukuda, T Inada, T Moroi, T Nitta… - Physical Review D, 2024 - APS
We propose a direct axion dark matter (DM) search using superconducting transmon
quantum bits (qubits) as quantum sensors. With an external magnetic field applied, axion …

Phase biasing of a Josephson junction using Rashba–Edelstein effect

T Senapati, AK Karnad, K Senapati - Nature Communications, 2023 - nature.com
A charge-current-induced shift in the spin-locked Fermi surface leads to a non-equilibrium
spin density at a Rashba interface, commonly known as the Rashba–Edelstein effect. Since …

Signatures of topological transitions in the spin susceptibility of Josephson junctions

JD Pakizer, A Matos-Abiague - Physical Review B, 2021 - APS
We theoretically investigate how the spin susceptibility of a planar Josephson junction is
affected when the system transits into the topological superconducting state. We show that …

Triplet supercurrents in lateral Josephson junctions with a half-metallic ferromagnet

Y Junxiang, R Fermin, M Cabero, K Lahabi… - Physical Review …, 2024 - APS
In the area of superconducting spintronics, spin-triplet supercurrents in half-metallic
ferromagnets (HMFs) could yield dissipationless spin transport over large distances and …

Majorana fermions on the quantum Hall edge

L Peralta Gavensky, G Usaj, CA Balseiro - Physical Review Research, 2020 - APS
Superconductivity and the quantum Hall effect are considered to be two cornerstones of
condensed matter physics. The realization of hybrid structures where these two effects …

[HTML][HTML] Fabrication of planar halfmetallic ferromagnetic Josephson junctions with long range coupling

J Yao, J Aarts - Applied Physics Letters, 2024 - pubs.aip.org
Superconducting junctions with a ferromagnet as the weak link, where triplet correlations
can transport supercurrents over a substantial distance, have been of long-standing interest …

Enhancement of Josephson Critical Currents in Ferromagnetic by Thermal Annealing

S Komori, JE Thompson, G Yang, G Kimbell… - Physical Review …, 2022 - APS
The electrical and structural properties of Co 40 Fe 40 B 20 (Co-Fe-B) are tunable by
thermal annealing. This is key to the optimization of Co-Fe-B-based spintronic devices …

Characterization of lateral junctions and micro-SQUIDs involving magnetic multilayers

HG Ahmad, L Di Palma, D Massarotti… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
We have fabricated and characterized at low temperatures Nb/Ni/(Al/Ni) 14/Nb lateral
junctions and Nb micro-SQUIDs involving (Al/Py) 10 multilayers (here Py is permalloy: 80 …

Anomalous magnetic interference of cross-type Josephson junctions exposed to oblique magnetic fields

Y Mawatari - Journal of Physics D: Applied Physics, 2022 - iopscience.iop.org
Gauge-invariant phase difference and critical currents of cross-type Josephson junctions
with thin and narrow superconducting strips exposed to three-dimensional magnetic fields …