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Showing 1 to 10 of 10 for “"Josephson interferometry"”.
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Josephson Interferometry Measurements in High-Tc Grain Boundary Junctions
We study Josephson junctions formed at grain boundary interfaces in the high-Tc cuprate materials. The inherent properties of these Josephson junctions depend strongly on the pairing symmetry and the electronic structure at the interface and can be used to determine the pairing symmetry as well as …
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Josephson Interferometry Measurements in High-T(c) Grain Boundary Junctions
We study Josephson junctions formed at grain boundary interfaces in the high-Tc cuprate materials. The inherent properties of these Josephson junctions depend strongly on the pairing symmetry and the electronic structure at the interface and can be used to determine the pairing symmetry as well as …
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Superconducting order parameter domains in Sr2RuO4 probed by Josephson interferometry
… domains in the material. We study bi-metallic Josephson junctions made of Sr2RuO4 and a conventional superconductor. Their critical current modulations in an applied magnetic field carry information about the phase of the order parameter of the ruthenate. In these junctions, we observe multiple …
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Superconducting Order Parameter Domains in Strontium Ruthenate Probed by Josephson Interferometry
… domains in the material. We study bi-metallic Josephson junctions made of Sr2RuO4 and a conventional superconductor. Their critical current modulations in an applied magnetic field carry information about the phase of the order parameter of the ruthenate. In these junctions, we observe multiple …
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Exploring exotic superconducting order in La-based cuprate materials using Josephson interferometry
Josephson junctions are especially useful devices for studying exotic superconducting materials, because the transmission of superconductivity through a junction depends on the difference in phase of the superconducting order parameter across the junction. We present the results of two measurements …
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Probing proximity-induced superconductivity in Nb- Bi2Se3 bilayers with low-temperature transport and Josephson interferometry
… established in the topological insulator film, Josephson interferometry measurements were conducted with a niobium – bismuth selenide bilayer as one of the contacts. Corner junctions show evidence for critical current asymmetry between the two halves of the junction. The critical current versus …
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Probing the superconducting order parameter of Iron-based superconductors through the Josephson effect
… the results we obtained regarding the use of the Josephson effect to probe the symmetry of the superconducting order parameter of Co-doped Ba(FeAs)2 crystals (Ba122). This measurements were carried out to test the validity of the s± model, which predicts the pairing in the multiband Ba122 …
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Probing the chiral domain structure and dynamics in SR2RUO4 with nanoscale Josephson junctions
… parameter symmetry of px ipy. Measurements using Josephson Interferometry have shown evidence for chiral order parameter domains on the order of 1 m in size. To further search for signatures of these domains we have fabricated Josephson junctions on clean Sr2RuO4 single crystals (Tc=1.5 K) ranging …
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Phase-sensitive probes of extended topological Josephson junctions
… progress has been made in studying the Josephson effect in topological-insulator-based systems. The Josephson junction formed by a topological insulator in proximity to two superconductors (S-TI-S) is predicted to exhibit 4π-periodic signatures in the Josephson phase due to MBSs. We …
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Determining the superconducting order parameter of UPt3 with Josephson junction interferometry
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