Reference : Morphology of Flux Avalanches in Patterned Superconducting Films
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/142752
Morphology of Flux Avalanches in Patterned Superconducting Films
English
Zadorosny, R [Univers Estadual Paulista-UNESP, Brazil > > > >]
Colauto, F [Universidade Federal de São Carlos, Brazil > > > >]
Motta, M [Universidade Federal de São Carlos, Brazil > > > >]
Johansen, T.H. [University of Oslo - UiO > > > >]
Dinner, R [Cambridge University, UK > > > >]
Blamire, M. [Cambridge University, UK > > > >]
Ataklti, G.W. [Katholieke Universiteit Leuven - KUL > > > >]
Moshchalkov, V.V. [Katholieke Universiteit Leuven - KUL > > > >]
Silhanek, Alejandro mailto [Université de Liège - ULiège > Département de physique > Physique de la matière condensée >]
Ortiz, W.A. [Universidade Federal de São Carlos, Brazil > > > >]
2013
Journal of Superconductivity and Novel Magnetism
Springer Science & Business Media B.V.
26
Yes (verified by ORBi)
International
1557-1939
[en] thermomagnetic instabilities ; flux avalanches
[en] It is well known that under certain circumstances, magnetic fields applied perpendicularly to the
plane of superconducting films can trigger flux avalanches. In such cases the penetration has a tree-like profile. However, in samples where a regular array of antidots, ADs, is present, the avalanches follow the rows of ADs as if they were guiding lines for the abrupt penetration. In this work we used the magneto-optical imaging technique to study the morphology of flux avalanches in two Nb films with a square lattice of square ADs, each one with a different lateral size, and a plain film for reference. We show that the morphology of the flux avalanches is greatly influenced by the size of the interstitial region.
Researchers
http://hdl.handle.net/2268/142752
10.1007/s10948-012-1429-0

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