What happens in Josephson junctions at high critical current densities
Artikel i vetenskaplig tidskrift, 2017

The impressive advances in material science and nanotechnology are more and more promoting the use of exotic barriers and/or superconductors, thus paving the way to new families of Josephson junctions. Semiconducting, ferromagnetic, topological insulator and graphene barriers are leading to unconventional and anomalous aspects of the Josephson coupling, which might be useful to respond to some issues on key problems of solid state physics. However, the complexity of the layout and of the competing physical processes occurring in the junctions is posing novel questions on the interpretation of their phenomenology. We classify some significant behaviors of hybrid and unconventional junctions in terms of their first imprinting, i.e. current-voltage curves, and propose a phenomenological approach to describe some features of junctions characterized by relatively high critical current densities Jc. Accurate arguments on the distribution of switching currents will provide quantitative criteria to understand physical processes occurring in high-Jc junctions. These notions are universal and apply to all kinds of junctions. PACS: 74.72.-h Cuprate superconductors; 85.25.Cp Josephson devices; 74.50.+r Tunneling phenomena; Josephson effects.

Vortex flow

Phase dynamics

Josephson junctions

Hybrid devices

Författare

D. Massarotti

Superconductors, oxides and other innovative materials and devices

Universita degli Studi di Napoli Federico II

D. Stornaiuolo

Universita degli Studi di Napoli Federico II

Superconductors, oxides and other innovative materials and devices

P. Lucignano

Universita degli Studi di Napoli Federico II

Superconductors, oxides and other innovative materials and devices

R. Caruso

Superconductors, oxides and other innovative materials and devices

Universita degli Studi di Napoli Federico II

luca galletti

Chalmers, Mikroteknologi och nanovetenskap (MC2), Kvantkomponentfysik

Forskning Andra publikationer

Domenico Montemurro

Chalmers, Mikroteknologi och nanovetenskap (MC2), Kvantkomponentfysik

Forskning Andra publikationer

B. Jouault

Laboratoire Charles Coulomb

G. Campagnano

Universita degli Studi di Napoli Federico II

Superconductors, oxides and other innovative materials and devices

H. F. Arani

Imam Khomeini International University

Universita degli Studi di Napoli Federico II

L. Longobardi

American Physical Society

L. Parlato

Universita degli Studi di Napoli Federico II

Superconductors, oxides and other innovative materials and devices

G. P. Pepe

Universita degli Studi di Napoli Federico II

Superconductors, oxides and other innovative materials and devices

G. Rotoli

Università della Campania Luigi Vanvitelli

A. Tagliacozzo

Superconductors, oxides and other innovative materials and devices

Universita degli Studi di Napoli Federico II

Floriana Lombardi

Chalmers, Mikroteknologi och nanovetenskap (MC2), Kvantkomponentfysik

Forskning Andra publikationer

F. Tafuri

Superconductors, oxides and other innovative materials and devices

Universita degli Studi di Napoli Federico II

Fizika Nizkih Temperatur

0132-6414 (ISSN) 1816-0328 (eISSN)

Vol. 43 7 1023-1031

Ämneskategorier (SSIF 2011)

Den kondenserade materiens fysik

Mer information

Skapat

2017-10-08

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