作者: A. Angrisani Armenio , L. V. Mercaldo , S. L. Prischepa , M. Salvato , C. Attanasio
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摘要: Measurements of the perpendicular upper critical magnetic field H c2⊥(T) are reported for several Nb/CuMn multilayers. It is found that, despite nature samples, data samples with low Mn percentage in CuMn layers simply described by Werthamer–Helfand–Honenberg theory conventional type-II superconductors, neglecting both Pauli spin paramagnetism and orbit impurity scattering. For high concentration a different theoretical approach needed.