Controlling magnetic flux penetration in low-T C superconducting films and hybrids

F Colauto, M Motta, WA Ortiz - Superconductor Science and …, 2020 - iopscience.iop.org
In realistic situations, a typical scenario for applications of type II superconductors
necessarily includes vortices, usually in the presence of currents. Under these …

Dendritic and uniform flux jumps in superconducting films

DV Denisov, AL Rakhmanov, DV Shantsev… - Physical Review B, 2006 - APS
Recent theoretical analysis of spatially-nonuniform modes of the thermomagnetic instability
in superconductors [Phys. Rev. B 70, 224502 (2004)] is generalized to the case of a thin film …

Onset of dendritic flux avalanches in superconducting films

DV Denisov, DV Shantsev, YM Galperin, EM Choi… - Physical review …, 2006 - APS
We report a detailed comparison of experimental data and theoretical predictions for the
dendritic flux instability, believed to be a generic behavior of type-II superconducting films. It …

Exceeding the Landau speed limit with topological Bogoliubov Fermi surfaces

S Autti, JT Mäkinen, J Rysti, GE Volovik… - Physical Review …, 2020 - APS
A common property of topological systems is the appearance of topologically protected zero-
energy excitations. In a superconductor or superfluid, such states set the critical velocity of …

Dynamics and morphology of dendritic flux avalanches in superconducting films

JI Vestgården, DV Shantsev, YM Galperin… - Physical Review B, 2011 - APS
We develop a fast numerical procedure for the analysis of nonlinear and nonlocal
electrodynamics of type-II superconducting films in transverse magnetic fields coupled with …

Enhanced pinning in superconducting thin films with graded pinning landscapes

M Motta, F Colauto, WA Ortiz, J Fritzsche… - Applied physics …, 2013 - pubs.aip.org
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 …

Nucleation and propagation of thermomagnetic avalanches in thin-film superconductors

JI Vestgården, TH Johansen, YM Galperin - Low Temperature Physics, 2018 - pubs.aip.org
Stability of the vortex matter—magnetic flux lines penetrating into the material—in type-II
superconductor films is crucially important for their application. If some vortices get detached …

Controllable morphology of flux avalanches in microstructured superconductors

M Motta, F Colauto, JI Vestgården, J Fritzsche… - Physical Review B, 2014 - APS
The morphology of abrupt bursts of magnetic flux into superconducting films with engineered
periodic pinning centers (antidots) has been investigated. Guided flux avalanches of …

Superconducting quantum metamaterials from high pressure melt infiltration of metals into block copolymer double gyroid derived ceramic templates

RP Thedford, PA Beaucage, EM Susca… - Advanced Functional …, 2021 - Wiley Online Library
Mesoscale order can lead to emergent properties including phononic bandgaps or
topologically protected states. Block copolymers offer a route to mesoscale periodic …

Influences of non-uniformities and anisotropies on the flux avalanche behaviors of type-II superconducting films

Z Jing, H Yong, Y Zhou - Superconductor Science and …, 2016 - iopscience.iop.org
In this paper, the anisotropic flux avalanche processes in thin square-shaped type-II
superconducting films are numerically investigated by solving the coupled nonlinear …