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 …
Strongly Enhanced Pinning of Magnetic Vortices in Type-II Superconductors<? format?> by Conformal Crystal Arrays
Conformal crystals are nonuniform structures created by a conformal transformation of
regular two-dimensional lattices. We show that gradient-driven vortices interacting with a …
regular two-dimensional lattices. We show that gradient-driven vortices interacting with a …
Enhancing the critical current of a superconducting film in a wide range of magnetic fields with a conformal array of nanoscale holes
The maximum current (critical current) a type-II superconductor can transmit without energy
loss is limited by the motion of the quantized magnetic flux penetrating into a …
loss is limited by the motion of the quantized magnetic flux penetrating into a …
Enhanced pinning in superconducting thin films with graded pinning landscapes
A graded distribution of antidots in superconducting a-Mo 79 Ge 21 thin films has been
investigated by magnetization and magneto-optical imaging measurements. The pinning …
investigated by magnetization and magneto-optical imaging measurements. The pinning …
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 …
Reversible ratchet effects for vortices in conformal pinning arrays
C Reichhardt, D Ray, CJO Reichhardt - Physical Review B, 2015 - APS
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 …
Ultradense Tailored Vortex Pinning Arrays in Superconducting YBa2Cu3O7−δ Thin Films Created by Focused He Ion Beam Irradiation for Fluxonics Applications
B Aichner, B Müller, M Karrer, VR Misko… - ACS Applied Nano …, 2019 - ACS Publications
Magnetic fields penetrate a type II superconductor as magnetic flux quanta, called vortices.
In a clean superconductor they arrange in a hexagonal lattice, while by addition of periodic …
In a clean superconductor they arrange in a hexagonal lattice, while by addition of periodic …
Nanostructured superconductors
W Lang - arXiv preprint arXiv:2310.18232, 2023 - arxiv.org
The relevant length scales for superconductivity are of the order of nanometers. By confining
the superconducting condensate to such dimensions, many physical properties change …
the superconducting condensate to such dimensions, many physical properties change …
Critical behavior of nonequilibrium depinning transitions for vortices driven by current and vortex density
T Kaji, S Maegochi, K Ienaga, S Kaneko, S Okuma - Scientific Reports, 2022 - nature.com
We study the critical dynamics of vortices associated with dynamic disordering near the
depinning transitions driven by dc force (dc current I) and vortex density (magnetic field B) …
depinning transitions driven by dc force (dc current I) and vortex density (magnetic field B) …
Highly effective superconducting vortex pinning in conformal crystals
S Guénon, YJ Rosen, AC Basaran… - Applied Physics …, 2013 - pubs.aip.org
We have investigated the vortex dynamics in superconducting thin film devices with non-
uniform patterns of artificial pinning centers (APCs). The magneto-transport properties of a …
uniform patterns of artificial pinning centers (APCs). The magneto-transport properties of a …