Hybrid ferromagnetic transmon qubit: Circuit design, feasibility, and detection protocols for magnetic fluctuations

HG Ahmad, V Brosco, A Miano, L Di Palma, M Arzeo… - Physical Review B, 2022 - APS
We propose to exploit currently available tunnel ferromagnetic Josephson junctions to
realize a hybrid superconducting qubit. We show that the characteristic hysteretic behavior …

[HTML][HTML] Coexistence and tuning of spin-singlet and triplet transport in spin-filter Josephson junctions

HG Ahmad, M Minutillo, R Capecelatro, A Pal… - Communications …, 2022 - nature.com
The increased capabilities of coupling more and more materials through functional
interfaces are paving the way to a series of exciting experiments and extremely advanced …

Supercurrent in ferromagnetic Josephson junctions with heavy metal interlayers

N Satchell, NO Birge - Physical Review B, 2018 - APS
The length scale over which supercurrent from conventional BCS, s-wave superconductors
(S) can penetrate an adjacent ferromagnetic (F) layer depends on the ability to convert …

Aluminum-ferromagnetic Josephson tunnel junctions for high quality magnetic switching devices

A Vettoliere, R Satariano, R Ferraiuolo… - Applied Physics …, 2022 - pubs.aip.org
The competition between superconducting and ferromagnetic orderings in Josephson
devices has promoted fundamental and applicative studies of high impact for …

[HTML][HTML] High-Quality ferromagnetic Josephson junctions based on aluminum electrodes

A Vettoliere, R Satariano, R Ferraiuolo, L Di Palma… - Nanomaterials, 2022 - mdpi.com
Aluminum Josephson junctions are the building blocks for the realization of superconducting
quantum bits. Attention has been also paid to hybrid ferromagnetic Josephson junctions …

Inverse magnetic hysteresis of the Josephson supercurrent: Study of the magnetic properties of thin niobium/permalloy ) interfaces

R Satariano, L Parlato, A Vettoliere, R Caruso… - Physical Review B, 2021 - APS
We propose a picture for the magnetic properties of superconductor/ferromagnet (S/F)
heterostructures based on Nb and permalloy (Py: Fe 20 Ni 80). By measuring the magnetic …

Tuning of magnetic activity in spin-filter Josephson junctions towards spin-triplet transport

R Caruso, D Massarotti, G Campagnano, A Pal… - Physical Review Letters, 2019 - APS
The study of superconductor-ferromagnet interfaces has generated great interest in the last
decades, leading to the observation of spin-aligned triplet supercurrents and 0–π transitions …

RF assisted switching in magnetic Josephson junctions

R Caruso, D Massarotti, VV Bolginov… - Journal of Applied …, 2018 - pubs.aip.org
We test the effect of an external RF field on the switching processes of magnetic Josephson
junctions (MJJs) suitable for the realization of fast, scalable cryogenic memories compatible …

Mesoscopic superconducting memory based on bistable magnetic textures

R Fermin, NMA Scheinowitz, J Aarts, K Lahabi - Physical Review Research, 2022 - APS
With the ever-increasing energy need to process big data, the realization of low-power
computing technologies, such as superconducting logic and memories, has become a …

Electrodynamics of highly spin-polarized tunnel Josephson junctions

HG Ahmad, R Caruso, A Pal, G Rotoli, GP Pepe… - Physical Review …, 2020 - APS
The continuous development of superconducting electronics is encouraging several studies
on hybrid Josephson junctions (JJs) based on superconductor-ferromagnet-superconductor …