Study on the possible structural transition in Nd2-xCexCuO4-δ

J. S. Kim, E. P. Kvam

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A possible structural transition accompanying the substitution of a small amount of Ce and the reduction of oxygen was investigated by observing the convergent beam electron diffraction (CBED) patterns with a transmission electron microscope. Three different samples of Nd2CuO4, Nd1.85Ce0.15CuO4 and Nd1.85Ce0.15CuO3.965, which were prepared by solid-state sintering, were observed. Experimental higher-order Laue zone (HOLZ) lines of these samples were compared with those plotted by a simulation. The symmetry and the lattice parameters of Nd1.85Ce0.15CuO4.0 were determined.

Original languageEnglish
Pages (from-to)203-210
Number of pages8
JournalPhysica C: Superconductivity and its Applications
Issue number3-4
StatePublished - 20 Dec 1997


  • Nd-system superconductor
  • Structural phase transition
  • T-O transition
  • Type II superconductors


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