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 …

Dendritic flux avalanches and nonlocal electrodynamics in thin superconducting films

IS Aranson, A Gurevich, MS Welling, RJ Wijngaarden… - Physical review …, 2005 - APS
We report a mechanism of nonisothermal dendritic flux penetration in superconducting films.
Our numerical and analytical analysis of coupled nonlinear Maxwell and thermal diffusion …

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 …

On the role of pre-existing defects and magnetic flux avalanches in the degradation of YBa2Cu3O7–x coated conductors by quenching

H Song, F Hunte, J Schwartz - Acta Materialia, 2012 - Elsevier
YBa2Cu3O7–x (YBCO) coated conductors are emerging as an important option for magnets
for energy systems and experimental science. One of the remaining challenges for YBCO …

Selective triggering of magnetic flux avalanches by an edge indentation

L Jiang, C Xue, L Burger, B Vanderheyden… - Physical Review B, 2020 - APS
We numerically investigate the effect of an edge indentation on the threshold field of
thermomagnetic instabilities in superconducting films subjected to a ramping magnetic field …

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 …

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 …

Nonlocal electrodynamics of normal and superconducting films

JI Vestgården, P Mikheenko, YM Galperin… - New Journal of …, 2013 - iopscience.iop.org
Electrically conducting films in a time-varying transverse applied magnetic field are
considered. Their behavior is strongly influenced by the self-field of the induced currents …

Dendritic flux penetration in Pb films with a periodic array of antidots

M Menghini, RJ Wijngaarden, AV Silhanek… - Physical Review B …, 2005 - APS
We explore the flux-jump regime in type-II Pb thin films with a periodic array of antidots by
means of magneto-optical measurements. A direct visualization of the magnetic flux …