High-resolution powder neutron diffraction study of ndi.93ceo.o7cu04_8. no evidence for phase separation at this composition.

M. J. Rosseinsky, K. Prassides

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9 Citations (Scopus)


Very high-resolution powder neutron diffraction has been employed to study the crystal structure of the T phase Ndi.98Ce0.07CuO4_i at room temperature. No evidence for multiphase composition is found at this resolution and a single phase model based on the tetragonal M/mmm space group is in excellent agreement with the experimental data. It appears that the possible occurrence of phase separation at higher dopant levels may be related to the metal-insulator transition which occurs close to the onset of superconductivity and after the long-range antiferromagnetic order is destroyed.

Original languageEnglish
Pages (from-to)551-556
Number of pages6
Issue number6
Publication statusPublished - 1991 Mar 15

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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