Pinning forces in Nb/CuMn multilayers

Luigi Maritato; Carmine Attanasio; S. Barbanera; C. Coccorese; T. Di Luccio; Lucia Vittoria Mercaldo; S. L. Prischepa; R. Russo; Matteo Salvato

doi:10.1117/12.332444

9 December 1998 Pinning forces in Nb/CuMn multilayers

Luigi Maritato, Carmine Attanasio, S. Barbanera, C. Coccorese, T. Di Luccio, Lucia Vittoria Mercaldo, S. L. Prischepa, R. Russo, Matteo Salvato

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Proceedings Volume 3480, Superconducting Superlattices II: Native and Artificial; (1998) https://doi.org/10.1117/12.332444
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

Nb/CuMn multilayers, with different CuMn layer thicknesses and Mn concentration have been realized by sputtering. On the patterned superconducting samples the transport properties have been measured at different temperatures and external parallel and perpendicular magnetic fields. The pinning force curves obtained in the case of perpendicular magnetic fields, clearly present a temperature scaling indicating a common pining mechanism active at all the investigated temperatures, while in the case of parallel magnetic fields such scaling was not observed. The dependence of the pinning forces upon the Mn concentration has also been investigated. Preliminary measurements on Nb/CuMn samples with a regular array of artificial dots are also presented.

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Luigi Maritato, Carmine Attanasio, S. Barbanera, C. Coccorese, T. Di Luccio, Lucia Vittoria Mercaldo, S. L. Prischepa, R. Russo, and Matteo Salvato "Pinning forces in Nb/CuMn multilayers", Proc. SPIE 3480, Superconducting Superlattices II: Native and Artificial, (9 December 1998); https://doi.org/10.1117/12.332444

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