Superelliptic Josephson Tunnel Junctions
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-017-1776-0
Abstract: The most important practical characteristic of a Josephson junction is its critical current. The shape of the junction determines the specific form of the magnetic field dependence of its Josephson current. Here we address the… read more here.
Keywords: superelliptic josephson; josephson; josephson tunnel; tunnel junctions ... See more keywords
Persistence and coexistence of infinite attractors in a fractal Josephson junction resonator with unharmonic current phase relation considering feedback flux effect
Sign Up to like & getrecommendations! Published in 2021 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-020-06159-4
Abstract: Josephson junction resonators are the devices which exhibit complex behaviours as a consequence of their inductive properties. Even though the insulating medium between Josephson junctions (JJs) is normally considered homogeneous, the fact that lithography is… read more here.
Keywords: fractal josephson; junction; memristor; josephson junction ... See more keywords
Revealing Josephson Vortex Dynamics in Proximity Junctions below Critical Current.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c00647
Abstract: Made of a thin non-superconducting metal (N) sandwiched by two superconductors (S), SNS Josephson junctions enable novel quantum functionalities by mixing up the intrinsic electronic properties of N with the superconducting correlations induced from S… read more here.
Keywords: josephson vortex; revealing josephson; proximity; josephson ... See more keywords
Nonreciprocal Supercurrents in a Field-Free Graphene Josephson Triode.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.3c01276
Abstract: Superconducting diodes are proposed nonreciprocal circuit elements that should exhibit nondissipative transport in one direction while being resistive in the opposite direction. Multiple examples of such devices have emerged in the past couple of years;… read more here.
Keywords: graphene josephson; nonreciprocal supercurrents; josephson; josephson triode ... See more keywords
Current–Phase Relation of a WTe2 Josephson Junction
Sign Up to like & getrecommendations! Published in 2022 at "Nano Letters"
DOI: 10.1021/acs.nanolett.3c01416
Abstract: When a topological insulator is incorporated into a Josephson junction, the system is predicted to reveal the fractional Josephson effect with a 4π-periodic current–phase relation. Here, we report the measurement of a 4π-periodic switching current… read more here.
Keywords: current phase; junction; phase relation; josephson ... See more keywords
Side Gate Tunable Josephson Junctions at the LaAlO3/SrTiO3 Interface
Sign Up to like & getrecommendations! Published in 2017 at "Nano Letters"
DOI: 10.1021/acs.nanolett.6b03820
Abstract: Novel physical phenomena arising at the interface of complex oxide heterostructures offer exciting opportunities for the development of future electronic devices. Using the prototypical LaAlO3/SrTiO3 interface as a model system, we employ a single-step lithographic… read more here.
Keywords: josephson; srtio3 interface; gate; josephson junctions ... See more keywords
Field-Effect Controllable Metallic Josephson Interferometer.
Sign Up to like & getrecommendations! Published in 2019 at "Nano letters"
DOI: 10.1021/acs.nanolett.9b02369
Abstract: Gate-tunable Josephson junctions (JJs) are the backbone of superconducting classical and quantum computation. Typically, these systems exploit low charge concentration materials, and present technological difficulties limiting their scalability. Surprisingly, electric field modulation of supercurrent in… read more here.
Keywords: field; josephson; metallic josephson; field effect ... See more keywords
Exciton-polariton Josephson junctions at finite temperatures
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-09824-8
Abstract: We consider finite temperature effects in a non-standard Bose-Hubbard model for an exciton- polariton Josephson junction (JJ) that is characterised by complicated potential energy landscapes (PEL) consisting of sets of barriers and wells. We show… read more here.
Keywords: josephson; josephson junctions; polariton; exciton polariton ... See more keywords
Joule overheating poisons the fractional ac Josephson effect in topological Josephson junctions
Sign Up to like & getrecommendations! Published in 2019 at "Communications Physics"
DOI: 10.1038/s42005-018-0100-x
Abstract: Topological Josephson junctions designed on the surface of a 3D-topological insulator harbor Majorana bound states among a continuum of conventional Andreev bound states. The distinct feature of these Majorana bound states lies in the 4π-periodicity… read more here.
Keywords: topological josephson; bound states; josephson; josephson junctions ... See more keywords
Magnetization reversal by superconducting current in φ 0 Josephson junctions
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4983090
Abstract: We study magnetization reversal in a φ 0 Josephson junction with direct coupling between magnetic moment and Josephson current. Our simulations of magnetic moment dynamics show that by applying an electric current pulse, we can… read more here.
Keywords: josephson; reversal superconducting; magnetization; magnetization reversal ... See more keywords
Ferromagnetic Josephson junctions based on epitaxial NbN/Ni60Cu40/NbN trilayer
Sign Up to like & getrecommendations! Published in 2018 at "AIP Advances"
DOI: 10.1063/1.5030348
Abstract: We fabricated and characterized a weakly coupled magnetic Josephson junction based on epitaxial NbN/Ni60Cu40/NbN trilayer heterostructures on single crystal MgO (100) substrates. X-ray diffraction and cross-sectional scanning transmission electron microscopy were used to verify the… read more here.
Keywords: josephson; nbn trilayer; nbn ni60cu40; ni60cu40 nbn ... See more keywords