Observation of the Epitaxial Satellite Phase in the Superconducting RuSr2Eu1.5Ce0.5Cu2O10 Ceramic Samples

V. V. Petrykin, M. Osada, M. Kakihana, Y. Tanaka, H. Yasuoka, Y. Ueki, M. Abe

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We have compared nonsuperconducting and superconducting ceramic samples of RuSr2Eu1.5Ce0.5Cu2O10 prepared by a polymerizable complex method using Raman spectroscopy and electron diffraction. The superconductivity in these ruthenocuprate samples was associated with ruthenium deficiency. It turned out that superconducting samples contain an epitaxial satellite phase having lattice parameters of a = 3.8407Å, c = 11.417Å (a/c ≈ 3), whereas Raman spectra revealed the presence of carbonate groups, which coordinate metal ions in a manner similar to that in the superconducting carboxycuprates. Therefore, we speculate that the satellite phase is EuSr2Cu3-x(CO 3)xO7+z doped with Ru into Cu chain site and it might be responsible for superconductivity. The intergrowth of such a phase was confirmed by HREM.

Original languageEnglish
Pages (from-to)4417-4423
Number of pages7
JournalChemistry of Materials
Volume15
Issue number23
DOIs
Publication statusPublished - 2003 Nov 18
Externally publishedYes

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Superconductivity
Satellites
Ruthenium
High resolution electron microscopy
Carbonates
Carbon Monoxide
Electron diffraction
Lattice constants
Metal ions
Raman spectroscopy
Raman scattering

ASJC Scopus subject areas

  • Materials Chemistry
  • Materials Science(all)

Cite this

Petrykin, V. V., Osada, M., Kakihana, M., Tanaka, Y., Yasuoka, H., Ueki, Y., & Abe, M. (2003). Observation of the Epitaxial Satellite Phase in the Superconducting RuSr2Eu1.5Ce0.5Cu2O10 Ceramic Samples. Chemistry of Materials, 15(23), 4417-4423. https://doi.org/10.1021/cm030052y

Observation of the Epitaxial Satellite Phase in the Superconducting RuSr2Eu1.5Ce0.5Cu2O10 Ceramic Samples. / Petrykin, V. V.; Osada, M.; Kakihana, M.; Tanaka, Y.; Yasuoka, H.; Ueki, Y.; Abe, M.

In: Chemistry of Materials, Vol. 15, No. 23, 18.11.2003, p. 4417-4423.

Research output: Contribution to journalArticle

Petrykin, VV, Osada, M, Kakihana, M, Tanaka, Y, Yasuoka, H, Ueki, Y & Abe, M 2003, 'Observation of the Epitaxial Satellite Phase in the Superconducting RuSr2Eu1.5Ce0.5Cu2O10 Ceramic Samples', Chemistry of Materials, vol. 15, no. 23, pp. 4417-4423. https://doi.org/10.1021/cm030052y
Petrykin, V. V. ; Osada, M. ; Kakihana, M. ; Tanaka, Y. ; Yasuoka, H. ; Ueki, Y. ; Abe, M. / Observation of the Epitaxial Satellite Phase in the Superconducting RuSr2Eu1.5Ce0.5Cu2O10 Ceramic Samples. In: Chemistry of Materials. 2003 ; Vol. 15, No. 23. pp. 4417-4423.
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AU - Abe, M.

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