The superconducting properties of S\/F\/S (Superconductor\/Ferromagnet\/Superconductor) heterostructures have been studied using wideband microwave measurements. Nb\/PdNi\/Nbtrilayers with different F layer thickness have been studied. Measurements show evidence for a progressively weaker vortex pinning with increasing F thickness. However, as it was shown by structural study, this is not a result of disorder in the samples. We argue that the F layer acts on the superconducting state itself, lowering the superfluid density.
Torokhtii, K., Pompeo, N., Meneghini, C., Attanasio, C., Cirillo, C., Ilyina, E.A., et al. (2013). Transport properties of Nb/PdNi/Nb trilayers at microwave frequencies. In Proceedings of International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (pp.658-660) [10.1109/MSMW.2013.6622165].
Transport properties of Nb/PdNi/Nb trilayers at microwave frequencies
Kostiantyn Torokhtii
;Nicola Pompeo;Carlo Meneghini;Carmine Attanasio;Enrico Silva
2013-01-01
Abstract
The superconducting properties of S\/F\/S (Superconductor\/Ferromagnet\/Superconductor) heterostructures have been studied using wideband microwave measurements. Nb\/PdNi\/Nbtrilayers with different F layer thickness have been studied. Measurements show evidence for a progressively weaker vortex pinning with increasing F thickness. However, as it was shown by structural study, this is not a result of disorder in the samples. We argue that the F layer acts on the superconducting state itself, lowering the superfluid density.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
