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Neutron Studies of Exchange-Coupled Superconductors

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Rare Earth Transition Metal Borocarbides (Nitrides): Superconducting, Magnetic and Normal State Properties

Part of the book series: NATO Science Series ((NAII,volume 14))

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Abstract

The effects of magnetic impurities and the possibility of magnetic ordering in superconductors has had a rich and interesting history. In the early days, magnetic impurities substituted into a superconductor were found to quickly suppress superconductivity,[l] and this was understood in terms of the strong spin scattering of the impurity spins that disrupts the Cooper pair formation.[2] Typically ~1% substitution was enough to completely extinguish the superconducting state, and such a low concentration of magnetic moments precludes the possibility of cooperative magnetic states forming and competing with the superconducting order parameter.

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Authors and Affiliations

  1. NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland, 20899-8562

    J. W. Lynn

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  1. Institut für Festkörper- und Werkstofforschung Dresden e.V., Dresden, Germany

    Karl-Hartmut Müller  & Vladimir Narozhnyi  & 

  2. Institute for High Pressure Physics, Russian Academy of Sciences, Troitsk, Russia

    Vladimir Narozhnyi

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Lynn, J.W. (2001). Neutron Studies of Exchange-Coupled Superconductors. In: Müller, KH., Narozhnyi, V. (eds) Rare Earth Transition Metal Borocarbides (Nitrides): Superconducting, Magnetic and Normal State Properties. NATO Science Series, vol 14. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0763-4_13

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  • DOI: https://doi.org/10.1007/978-94-010-0763-4_13

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