Correlation between the rhombic distortion of the CuO4 basal plane and Tc in La1.6 - xNd0.4SrxCuO4

A. Kobayashi, Y. Koike, S. Katano, S. Funahashi, T. Kajitani, T. Kawaguchi, M. Kato, T. Noji, Y. Saito

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5 Citations (Scopus)


The rhombic distortion of the CuO4 basal plane in the tetragonal-low-temperature (TLT) phase (P42/ncm) of La1.6 - xNdo.4SrxCuO4 has been investigated from high-resolution powder neutron diffraction at 10 K. It has been found that the rhombic distortion reaches a maximum at x = 0.115 in the TLT phase of 0.10 ≦ x ≦ 0.25. This correlates very much with the result that the local minimum of Tc as a function of x appears at x = 0.115. It is concluded that the suppression of superconductivity in the TLT phase depends not on the structural-phase-transition-temperature Td2 to the TLT phase but on the magnitude of the rhombic distortion of the CuO4 basal plane.

Original languageEnglish
Pages (from-to)1945-1946
Number of pages2
JournalPhysica B: Physics of Condensed Matter
Issue numberPART 2
Publication statusPublished - 1994 Feb 2

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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