Systematic analysis of the critical temperature oscillations in superconducting (Nb)/spin-glass (CuMn) multilayers

Lucia Vittoria Mercaldo; Carmine Attanasio; Luigi Maritato

doi:10.1117/12.332446

9 December 1998 Systematic analysis of the critical temperature oscillations in superconducting (Nb)/spin-glass (CuMn) multilayers

Lucia Vittoria Mercaldo, Carmine Attanasio, Luigi Maritato

Author Affiliations +

Proceedings Volume 3480, Superconducting Superlattices II: Native and Artificial; (1998) https://doi.org/10.1117/12.332446
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

The superconducting critical temperature Tc of Nb/CuMn multilayers has been measured in a series of samples with fixed Nb layer thickness (d_CuMn) and varying CuMn layer thickness and vice versa, where the CuMn composition and the layer thicknesses were systematically varied. An oscillating behavior has been observed for Tc(d_CuMn) strongly dependent on the Mn concentration values. Different explanations are discussed and the most plausible seems to rely on the presence of a d_CuMn-dependent phase-shift value in the range (0, (pi) ) between adjacent superconducting layers.

Citation Download Citation

Lucia Vittoria Mercaldo, Carmine Attanasio, and Luigi Maritato "Systematic analysis of the critical temperature oscillations in superconducting (Nb)/spin-glass (CuMn) multilayers", Proc. SPIE 3480, Superconducting Superlattices II: Native and Artificial, (9 December 1998); https://doi.org/10.1117/12.332446

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