Phase diagram of the electron-doped superconductor Pr 1-xLaCexCuO4-δ

S. Kuroshima, M. Fujita, T. Uefuji, M. Matsuda, K. Yamada

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12 Citations (Scopus)


Systematic measurements of magnetic susceptibility and neutron diffraction were performed on both as-grown and oxygen-reduced single crystals of Pr 1-xLaCexCuO4-δ (x = 0.09, 0.11, 0.15 and 0.18) in order to study the electronic phase diagram as functions of both x and δ. Antiferromagnetic ordered phase appears in the x = 0.09 and 0.11 samples for small value of δ at low temperature and degrades by either increasing Ce concentration or δ. Bulk superconductivity was observed in the wider x and δ region compared to that of Nd2-xCe xCuO4. A spin-glass-like phase appears in the limited region of δ in between 0.003 and 0.04, which weakly depends on x. Combining both results from susceptibility and neutron scattering measurement, we have obtained x-δ phase diagram of Pr1-xLaCe xCuO4-δ.

Original languageEnglish
Pages (from-to)216-220
Number of pages5
JournalPhysica C: Superconductivity and its Applications
Issue numberPART 1
Publication statusPublished - 2003 Oct
EventProceedings of the 15th International Symposium on Superconduc - Yokohama, Japan
Duration: 2002 Nov 112002 Nov 13


  • Electron-doped cuprate
  • High-T superconductivity
  • Phase diagram


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