Reference : Phase slips in mesoscopic superconducting triangles
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/102946
Phase slips in mesoscopic superconducting triangles
English
Schildermans, N. [> > > >]
Salenbien, R. [> > > >]
Silhanek, Alejandro mailto [Katholieke Universiteit Leuven - KUL > > > >]
Moshchalkov, V. V. [> >]
2008
Physica C: Superconductivity
Elsevier Science
468
7-10
757-760
Yes (verified by ORBi)
International
0921-4534
Amsterdam
Netherlands
[en] mesoscopic system ; critical current ; phase slip centers
[en] Voltage-current (V(I)) characteristics are investigated in the superconducting state of an equilateral triangle of 2.2 mu m(2) area. Several steps in the V(I) curves indicate the presence of phase slip centers in the triangle. The field dependence of these steps follows the Little-Parks oscillations of the phase boundary, associated with the change of vorticity. The influence of the contacts manifests itself as an excess voltage and a negative differential resistance. In addition we show that the position of the current contacts modify the superconducting phase boundary measurements. (C) 2008 Elsevier B.V. All rights reserved.
Researchers
http://hdl.handle.net/2268/102946
also: http://hdl.handle.net/2268/103532
10.1016/j.physc.2007.11.067

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