Effect of B11 substitution on the superconductivity of MgC Ni3

T. Klimczuk, M. Avdeev, J. D. Jorgensen, R. J. Cava

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Abstract

The crystal structure of boron-doped superconducting Mg C1-x Bx11 Ni3, studied by powder neutron diffraction, is reported. The solubility limit of boron is determined to be approximately x=0.16. The unit cell expands from a=3.810 89 (2) Å to 3.819 66 (2) Å as x increases from x=0 to x=0.155. Boron (B11) doping decreases Tc with increasing x: from 7.09 K (x=0) to 6.44 K (x=0.155).

Original languageEnglish (US)
Article number184512
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume71
Issue number18
DOIs
StatePublished - 2005

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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