518 citations · 1.9k across the 75 of their papers we have counts for
50 papers · 1 filter
Transport regimes in tunnel ferromagnetic Josephson junctions
R. Satariano, A. A. Golubov, E. Raja +13
We present a systematic study of the temperature-dependent transport properties of Nb- and Al-based superconductor--insulator--thin superconductor--ferromagnet--superconductor (SIs…
Resolving unconventional gap structure in kagome superconductors with hybrid microwave circuits
Yejin Lee, Haolin Jin, Sushmita Chandra +12
Unconventional superconductivity is a hallmark of exotic quantum matter, where determining the pairing symmetry is essential for uncovering its microscopic origin. Kagome supercond…
Simplified Silicon Nitride Nanomembrane Circuits for van der Waals Integration
Tommaso Confalone, Vasilisa Gerega, Flavia Lo Sardo +8
Two-dimensional (2D) materials and van der Waals (vdW) heterostructures provide an exceptional platform for engineering quantum devices, yet realizing their potential requires elec…
Phase dynamics and dissipation in tunnel ferromagnetic Josephson junctions
F. Calloni, R. Satariano, R. Ferraiuolo +17
We investigate tunnel ferromagnetic Josephson junctions based on Superconductor-Insulator-thin superconductor-Ferromagnet-Superconductor multilayers. A comparative study of their e…
Submicrometer tunnel ferromagnetic Josephson junctions with transmon energy scale
R. Satariano, R. Ferraiuolo, F. Calloni +5
We have realized submicron tunnel ferromagnetic Al/AlO/Al/NiFe/Al Josephson junctions (JJs) in Manhattan-style configuration for qubit applications. These junctio…
Quantifying Twist Angles in Cuprate Heterostructures with Anisotropic Raman Signatures
Flavia Lo Sardo, Marina Esposito, Tommaso Confalone +9
Artificially engineered twisted van der Waals (vdW) heterostructures have unlocked new pathways for exploring emergent quantum phenomena and strongly correlated electronic states.…
Preserving the Josephson Coupling of Twisted Cuprate Junctions via Tailored Silicon Nitride Circuits Boards
Tommaso Confalone, Flavia Lo Sardo, Domenico Montemurro +7
Controlled fabrication of twisted van der Waals heterostructures is essential to unlock the full potential of moire materials. However, achieving reproducibility remains a major ch…
Cuprate Twistronics for Quantum Hardware
Tommaso Confalone, Flavia Lo Sardo, Yejin Lee +12
Recent advances in the manipulation of complex oxide layers, particularly the fabrication of atomically thin cuprate superconducting films via molecular beam epitaxy, have revealed…
Nanoscale spin ordering and spin screening effects in tunnel ferromagnetic Josephson junctions
Roberta Satariano, Anatoly Fjodorovich Volkov, Halima Giovanna Ahmad +10
Magnetic Josephson junctions (MJJs) have emerged as a prominent playground to explore the interplay between superconductivity and ferromagnetism. A series of fascinating experiment…
Josephson coupling in Lanthanum-based cuprates superlattices
Halima Giovanna Ahmad, Davide Massarotti, Francesco Tafuri +3
In most anisotropic compounds such as bismuth-based layered cuprate perovskites, the supercurrent across the blocking layer is of Josephson type, and a single crystal forms a natur…
Misfit layer superconductors, tuneable bulk heterostructures with strong 2D effects
Tomas Samuely, Martin Gmitra, Tristan Cren +2
Atomically thin layered materials are systems with zero limit bulk-to-surface ratio. Their physical properties are determined by two-dimensionality and strongly affected by interfa…
Towards novel tunability schemes for hybrid ferromagnetic transmon qubits
Halima Giovanna Ahmad, Raffaella Ferraiuolo, Giuseppe Serpico +12
Flux tuning of qubit frequencies in superconducting quantum processors is fundamental for implementing single and multi-qubit gates in quantum algorithms. Typical architectures inv…
Evidence of the inverse proximity effect in tunnel magnetic Josephson Junctions
Roberta Satariano, Anatoly Fjodorovich Volkov, Halima Giovanna Ahmad +11
Magnetic Josephson Junctions (MJJs) are a special class of hybrid systems where antagonistic correlations coexist, thus providing a key for advances in weak superconductivity, supe…
Phase dynamics of tunnel Al-based ferromagnetic Josephson junctions
Halima Giovanna Ahmad, Roberta Satariano, Raffaella Ferraiuolo +8
By measuring the current-voltage characteristics and the switching current distributions as a function of temperature, we have investigated the phase dynamics of Al tunnel ferromag…
Quantum zero point electromagnetic energy difference between the superconducting and the normal phase in a HTc superconducting metal bulk sample
Annalisa Allocca, Saverio Avino, Sergio Balestrieri +31
We provide a novel methodological approach to the estimate of the change of the Quantum Vacuum electromagnetic energy density in a High critical Temperature superconducting metal b…
A hybrid ferromagnetic transmon qubit: circuit design, feasibility and detection protocols for magnetic fluctuations
Halima Giovanna Ahmad, Valentina Brosco, Alessandro Miano +8
We propose to exploit currently available tunnel ferromagnetic Josephson junctions to realize a hybrid superconducting qubit. We show that the characteristic hysteretic behavior of…
Inverse magnetic hysteresis of the Josephson supercurrent: study of the magnetic properties of thin niobium/permalloy (Fe_{20}Ni_{80}) interfaces
Roberta Satariano, Loredana Parlato, Antonio Vettoliere +12
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 mome…
Coexistence and tuning of spin-singlet and triplet transport in spin-filter Josephson junctions
H. G. Ahmad, M. Minutillo, R. Capecelatro +7
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 devices.…
Electrodynamics of highly spin-polarized tunnel Josephson junctions
H. G. Ahmad, R. Caruso, A. Pal +5
The continuous development of superconducting electronics is encouraging several studies on hybrid Josephson junctions (JJs) based on superconductor/ferromagnet/superconductor (SFS…
Use of a spoof plasmon to optimize the coupling of infrared radiation to Josephson Junction fluxon oscillations
A. Tagliacozzo, S. De Nicola, D. Montemurro +6
We show that Infrared radiation impinging onto a 1-d array of grooves drilled in the superconductor electrode of a long overlap junction can improve matching between fluxon oscilla…
Tuning of Magnetic Activity in Spin-Filter Josephson Junctions Towards Spin-Triplet Transport
R. Caruso, D. Massarotti, G. Campagnano +6
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-pi trans…
Electrodynamics of Josephson junctions containing strong ferromagnets
D. Massarotti, N. Banerjee, R. Caruso +3
Triplet supercurrents in multilayer ferromagnetic Josephson junctions with misaligned magnetization can penetrate thicker ferromagnetic barriers compared to the singlet component.…
Properties of ferromagnetic Josephson junctions for memory applications
Roberta Caruso, Davide Massarotti, Alessandro Miano +9
In this work we give a characterization of the RF effect of memory switching on Nb-Al/AlOx-(Nb)-PdFe-Nb Josephson junctions as a function of magnetic field pulse…
Induced unconventional superconductivity on the surface states of BiTe topological insulator
Sophie Charpentier, Luca Galletti, Gunta Kunakova +11
Topological superconductivity is central to a variety of novel phenomena involving the interplay between topologically ordered phases and broken-symmetry states. The key ingredient…