Controlling magnetic flux penetration in low-T C superconducting films and hybrids
In realistic situations, a typical scenario for applications of type II superconductors
necessarily includes vortices, usually in the presence of currents. Under these …
necessarily includes vortices, usually in the presence of currents. Under these …
Speed limit to the Abrikosov lattice in mesoscopic superconductors
We study the instability of the superconducting state in a mesoscopic geometry for the low
pinning material Mo 3 Ge characterized by a large Ginzburg-Landau parameter. We observe …
pinning material Mo 3 Ge characterized by a large Ginzburg-Landau parameter. We observe …
Improving critical current density of Nb3Sn by optimizing pinning potential of grain boundary and grain size
HX Ren, C Xue - Superconductor Science and Technology, 2022 - iopscience.iop.org
Improving critical current density of Nb3Sn by optimizing pinning potential of grain boundary
and grain size - IOPscience Skip to content IOP Science home Accessibility Help Search …
and grain size - IOPscience Skip to content IOP Science home Accessibility Help Search …
Nucleation and propagation of thermomagnetic avalanches in thin-film superconductors
JI Vestgården, TH Johansen, YM Galperin - Low Temperature Physics, 2018 - pubs.aip.org
A very important feature of superconductors is the Meissner and Ochsenfeld effect—
expulsion of weak external magnetic fields, H, from their interior. Therefore, a …
expulsion of weak external magnetic fields, H, from their interior. Therefore, a …
Effect of hexagonal patterned arrays and defect geometry on the critical current of superconducting films
Understanding the effect of pinning on the vortex dynamics in superconductors is a key
factor towards controlling critical current values. Large-scale simulations of vortex dynamics …
factor towards controlling critical current values. Large-scale simulations of vortex dynamics …
Dendritic instability in YBa2Cu3O7–δ films triggered by transient magnetic fields
M Baziljevich, E Baruch-El, TH Johansen… - Applied Physics …, 2014 - pubs.aip.org
Superconducting films of YBa 2 Cu 3 O 7–δ are shown to become thermomagnetically
unstable when experiencing a time-varying perpendicular magnetic field. Using magneto …
unstable when experiencing a time-varying perpendicular magnetic field. Using magneto …
Reversible ratchet effects for vortices in conformal pinning arrays
A conformal transformation of a uniform triangular pinning array produces a structure called
a conformal crystal which preserves the sixfold ordering of the original lattice but contains a …
a conformal crystal which preserves the sixfold ordering of the original lattice but contains a …
Quasiparticle Spectroscopy, Transport, and Magnetic Properties of Films Used in Superconducting Qubits
Niobium thin films on silicon substrate used in the fabrication of superconducting qubits
have been characterized using scanning and transmission electron microscopy, electrical …
have been characterized using scanning and transmission electron microscopy, electrical …
Enhanced pinning for vortices in hyperuniform pinning arrays and emergent hyperuniform vortex configurations with quenched disorder
Disordered hyperuniformity is a state of matter exhibiting both isotropic liquid-like properties
and crystalline-like properties such as minimal density fluctuations over long distances …
and crystalline-like properties such as minimal density fluctuations over long distances …
Magnetic flux penetration in Nb superconducting films with lithographically defined microindentations
We present a thorough investigation by magneto-optical imaging of the magnetic flux
penetration in Nb thin films with lithographically defined border indentations. We …
penetration in Nb thin films with lithographically defined border indentations. We …