Optical properties of Sr2Y(Ru1-xCux)O 6

H. L. Liu*, J. L. Her, C. C. Chen, S. M. Rao, M. K. Wu, W. F. Hsueh, C. C. Chi, F. Z. Chien

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


We present optical reflectance and Raman-scattering studies of double perovskite structure Sr2Y(Ru1-xCux)O 6 systems as a function of temperature and doping. The optical conductivities of all doping samples studied have the character of an insulator at low frequencies, showing only optical phonons in the far-infrared. As the temperature is lowered, the A1 g apical oxygen phonon mode exhibits a noticeable softening below magnetic ordered and superconducting transitions, indicative of a strong lattice-spin-charge coupling in these materials.

Original languageEnglish
Pages (from-to)302-304
Number of pages3
JournalJournal of Physics and Chemistry of Solids
Issue number1-3
Publication statusPublished - 2006 Jan

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics


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