Raman scattering studies of YBa2Cu3O 7-δ-coated conductors

E. Lee, C. Kim, S. Yoon, S. H. Jang, J. Joo

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We present results of Raman scattering studies of superconducting YBa 2Cu3O7-δ (YBCO) films grown by using trifluoroacetic acid metal-organic deposition (TFA-MOD). The YBCO precursor solution was synthesized using metal-trifluoroacetates and was dip coated onto a LaAlO3 (LAO) substrate. X-ray diffraction showed that all of the as-grown YBCO films were highly c-axis oriented and had in-plane-aligned textures. Raman scattering was used to characterize the optical phonon modes, the oxygen content, the structural properties and the second phases of the YBCO-coated conductors. The Raman spectra of YBCO-coated conductors of less transport quality often showed extra peaks at ∼300 cm-1, ∼600 cm-1 and ∼630 cm-1 although they all showed varying peak intensity of the apical oxygen mode at ∼500 cm-1, indicating different oxygen contents. The information taken from Raman scattering measurements will be useful for optimizing the process conditions.

Original languageEnglish
Pages (from-to)3348-3351
Number of pages4
JournalJournal of the Korean Physical Society
Issue number6
StatePublished - Dec 2008


  • Raman scattering
  • YBCO coated conductors


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