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Raman scattering studies of YBa2Cu3O 7-δ-coated conductors

Title
Raman scattering studies of YBa2Cu3O 7-δ-coated conductors
Authors
Lee E.Kim C.Yoon S.Jang S.H.Joo J.
Ewha Authors
윤석현
SCOPUS Author ID
윤석현scopus
Issue Date
2008
Journal Title
Journal of the Korean Physical Society
ISSN
0374-4884JCR Link
Citation
vol. 53, no. 6, pp. 3348 - 3351
Indexed
SCI; SCIE; SCOPUS; KCI WOS scopus
Abstract
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.
DOI
10.3938/jkps.53.3348
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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