Dimensional crossover and flux pinning of decoupled Cu50Ni 50/Nb multilayers

S. Y. Huang, J. J. Liang, T. C. Tsai, L. K. Lin, M. S. Lin, Shih-ying Hsu, S. F. Lee

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The behaviors of superconducting transition temperature Tc and upper critical field Hc2 as a function of different superconductor thicknesses have been investigated in Cu50 Ni50 Nb trilayers and multilayers. We deduced superconductor critical thickness, below which superconductivity vanishes, by analyzing the data in terms of proximity theory. The temperature dependence of Hc2 measurement reveals the spatial dimensional crossover and the flux pinning mechanism in the superconductor. A strong pair-breaking effect was observed in the weak ferromagnetic Cu50 Ni50 layers from both measurements. We attribute our observation to the high interface transparency between Cu50 Ni50 and Nb.

Original languageEnglish
Article number07C704
JournalJournal of Applied Physics
Issue number7
StatePublished - 21 Apr 2008


Dive into the research topics of 'Dimensional crossover and flux pinning of decoupled Cu50Ni 50/Nb multilayers'. Together they form a unique fingerprint.

Cite this