Upper critical field of periodic and fractal Nb/Cu multilayers
Sidorenko, Anatoli 1; Sürgers, Christoph
1; Trappmann, Thomas 1; Wosnitza, Joachim 1; Löhneysen, Hilbert v.
1 Universität Karlsruhe (TH)
1; Trappmann, Thomas 1; Wosnitza, Joachim 1; Löhneysen, Hilbert v.1 Universität Karlsruhe (TH)
Abstract:
Measurements of the upper critical field B-c2 of superconducting Nb/Cu multilayers with fractal and periodic stacking sequence are reported. A positive curvature of the perpendicular magnetic field B-c2 perpendicular to, i.e. an upward deviation towards low temperatures from the linear B-c2 perpendicular to(T) behavior of the WHH theory is observed. The temperature where this upturn occurs depends on the number of fractal scales S-n.
| Zugehörige Institution(en) am KIT | Physikalisches Institut (PHI) |
| Publikationstyp | Zeitschriftenaufsatz |
| Publikationsjahr | 1996 |
| Sprache | Englisch |
| Identifikator | ISSN: 0011-4626 KITopen-ID: 194296 |
| Erschienen in | Czechoslovak Journal of Physics |
| Verlag | Springer-Verlag |
| Band | 46 |
| Heft | Suppl. 2 |
| Seiten | 737-738 |
| Schlagwörter | superconducting superlattices |
| Nachgewiesen in | Dimensions Web of Science Scopus |