Publikation: Tailoring superconducting states in superconductor-ferromagnet hybrids
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We present results of a comprehensive investigation of two phenomena arising in superconductor(S)/ferromagnet(F) heterostructures of Nb on FePd with a lateral magnetic domain pattern: domain-superconductivity and spin-triplet Cooper pair generation. Resistivity measurements in a magnetic field applied out-of-plane to a Nb/FePd (S/F) sample with high magnetocrystalline anisotropy give evidence of stray field generated domain-wall- and reverse-domain-superconductivity. A corresponding bilayer comprising low magnetocrystalline anisotropy exhibits spin-triplet Cooper pair generation and a notable high variation of the S critical temperature due to spin-triplet generation (ΔTc) of 100 mK in an in-plane applied field. Using reference samples we can clearly distinguish stray field from proximity effects. The relevance of the characteristic S and F length scales related to the observed proximity effects is discussed.
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STELLHORN, Annika, Anirban SARKAR, Emmanuel KENTZINGER, Juri BARTHEL, Angelo DI BERNARDO, Shibabrata NANDI, Paul ZAKALEK, Jürgen SCHUBERT, Thomas BRÜCKEL, 2020. Tailoring superconducting states in superconductor-ferromagnet hybrids. In: New Journal of Physics. Institute of Physics Publishing (IOP). 2020, 22(9), 093001. eISSN 1367-2630. Available under: doi: 10.1088/1367-2630/abaa02BibTex
@article{Stellhorn2020-09-02Tailo-51058, year={2020}, doi={10.1088/1367-2630/abaa02}, title={Tailoring superconducting states in superconductor-ferromagnet hybrids}, number={9}, volume={22}, journal={New Journal of Physics}, author={Stellhorn, Annika and Sarkar, Anirban and Kentzinger, Emmanuel and Barthel, Juri and Di Bernardo, Angelo and Nandi, Shibabrata and Zakalek, Paul and Schubert, Jürgen and Brückel, Thomas}, note={Article Number: 093001} }
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