Interfacial roughness and proximity effects in superconductor/ferromagnet CuNi/Nb heterostructures

@inproceedings{Khaydukov2015InterfacialRA,
  title={Interfacial roughness and proximity effects in superconductor/ferromagnet CuNi/Nb heterostructures},
  author={Yu. N. Khaydukov and Roman Morari and Olaf Soltwedel and Thomas Hans Keller and Georg Christiani and Gennady Logvenov and M. Yu. Kupriyanov and Anatoly S. Sidorenko and B Keimer},
  year={2015}
}
We report an investigation of the structural and electronic properties of hybrid superconductor/ferromagnet (S/F) bilayers of composition Nb/Cu60Ni40 prepared by magnetron sputtering. X-ray and neutron reflectometry show that both the overall interfacial roughness and vertical correlations of the roughness of different interfaces are lower for heterostructures deposited on Al2O3( 11¯02) substrates than for those deposited on Si(111). Mutual inductance experiments were then used to study the… CONTINUE READING

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