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Structure of the 13 K superconductor lanthanum(3)-nickel(2)-boron(2)-nitrogen(3) and the related phase lanthanum-nickel-boron-nitrogen.

Author(s) : ZANDBERGEN H. W., JANSEN J., CAVA R. J., KRAJEWSKI J. J., PECK W. F. Jr

Type of article: Article

Summary

The authors report the structure of the superconducting phase in the system lanthanum(3)-nickel(2)-boron(2)-nitrogen(3), together with that of the related non-superconducting phase, lanthanum-nitrogen-boron-nitrogen. They find that these two phases are members of a homologous series (lanthanum-nitrogen)n(nickel-2-boron-2), with n=3 and n=2, respectively. Their samples contain planar defects that suggest the existence of phases with larger n. Varying the number, n, of lanthanum-nitrogen layers within this system might thus provide a way to investigate the effect of dimensionality on the superconducting properties of intermetallics.

Details

  • Original title: Structure of the 13 K superconductor lanthanum(3)-nickel(2)-boron(2)-nitrogen(3) and the related phase lanthanum-nickel-boron-nitrogen.
  • Record ID : 1995-3399
  • Languages: English
  • Source: Nature - vol. 372 - n. 6508
  • Publication date: 1994/12/22
  • Document available for consultation in the library of the IIR headquarters only.

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