Article (Scientific journals)
Phase slips in mesoscopic superconducting triangles
Schildermans, N.; Salenbien, R.; Silhanek, Alejandro et al.
2008In Physica C. Superconductivity, 468 (7-10), p. 757-760
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Keywords :
mesoscopic system; critical current; phase slip centers
Abstract :
[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.
Disciplines :
Physics
Author, co-author :
Schildermans, N.
Salenbien, R.
Silhanek, Alejandro  ;  Katholieke Universiteit Leuven - KUL
Moshchalkov, V. V.
Language :
English
Title :
Phase slips in mesoscopic superconducting triangles
Publication date :
2008
Journal title :
Physica C. Superconductivity
ISSN :
0921-4534
eISSN :
1873-2143
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
468
Issue :
7-10
Pages :
757-760
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 14 November 2011

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