Reference : Microscopic picture of the critical state in a superconductor with a periodic array o...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/101623
Microscopic picture of the critical state in a superconductor with a periodic array of antidots
English
Silhanek, Alejandro mailto [Katholieke Universiteit Leuven - KUL > Physics > > >]
Gutierrez, J. [> > > >]
Kramer, R. B. G. [> > > >]
Ataklti, G. W. [> > > >]
de Vondel, J Van [> > > >]
Moshchalkov, V. V. [ > > ]
2011
Physical Review. B : Condensed Matter
American Institute of Physics
83
2
Yes (verified by ORBi)
International
0163-1829
New York
NY
[en] superconductivity
[en] By using scanning Hall microscopy we visualize the progressive formation of the critical state with individual vortex resolution in a Pb thin film with a periodic pinning array. Slightly above the first penetration field, we directly observe a terraced critical state as proposed theoretically by Cooley and Grishin [Phys. Rev. Lett. 74, 2788 (1995)]. However, at higher fields, the flux front tends to disorder and the classical Bean profile is restored. This study allows us to establish a clear link between the widely used integrated response measurements in the superconducting state and the nanoscale landscape defined by individual vortices.
Researchers
http://hdl.handle.net/2268/101623
10.1103/PhysRevB.83.024509

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