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Diluted and Concentrated Isoelectronic Substitutional Effects in Superconducting R x Y1−x Ni2B2C Compounds

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Abstract

The suppression of superconductivity of pseudo-quaternary R xY1−x Ni2B2C compounds in the dilute limit was found to be mainly caused by magnetic pair-breaking in the case of the heavy rare-earth elements (R = Tm, Er, Ho, Dy, Tb, Gd) and by lattice distortions in the case of the light rare-earth elements (R = Pr, Nd) resulting from the large difference of the ionic radii between the Y host ions and the R impurity ones

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Authors and Affiliations

  1. Institut für Festkörper- und Werkstofforschung Dresden, Postfach 270016, D-01171, Dresden, Germany

    J. Freudenberger, G. Fuchs, K.-H. Müller, K. Nenkov, S.-L. Drechsler, A. Kreyssig, H. Rosner, K. Koepernik, D. Lipp & L. Schultz

  2. TU Dresden, Physik, D-01062, Dresden, Germany

    A. Kreyssig, H. Rosner & D. Lipp

  3. MPI CPFS Dresden, D-01187, Dresden, Germany

    K. Koepernik

Authors
  1. J. Freudenberger
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  2. G. Fuchs
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  3. K.-H. Müller
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  4. K. Nenkov
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  5. S.-L. Drechsler
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  6. A. Kreyssig
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  7. H. Rosner
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  8. K. Koepernik
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  9. D. Lipp
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  10. L. Schultz
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Freudenberger, J., Fuchs, G., Müller, KH. et al. Diluted and Concentrated Isoelectronic Substitutional Effects in Superconducting R x Y1−x Ni2B2C Compounds. Journal of Low Temperature Physics 117, 1623–1627 (1999). https://doi.org/10.1023/A:1022515800197

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  • DOI: https://doi.org/10.1023/A:1022515800197

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