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Raman scattering studies of YBa2Cu3O7-x thin films grown by chemical vapor deposition and metal-organic deposition

Title
Raman scattering studies of YBa2Cu3O7-x thin films grown by chemical vapor deposition and metal-organic deposition
Authors
Lee E.Yoon S.Um Y.M.Jo W.Seo C.W.Cheong H.Kim B.J.Lee H.G.Hong G.W.
Ewha Authors
조윌렴윤석현
SCOPUS Author ID
조윌렴scopus; 윤석현scopus
Issue Date
2007
Journal Title
Physica C: Superconductivity and its Applications
ISSN
0921-4534JCR Link
Citation
vol. 463-465, no. SUPPL., pp. 732 - 735
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We present results of Raman scattering studies of superconducting YBa2Cu3O7-x(YBCO) films grown by chemical vapor deposition and metal-organic deposition methods. It is shown by X-ray diffraction that all the as-grown YBCO films have a highly c-axis oriented and in-plane aligned texture. Raman scattering measurements were used to investigate optical phonon modes, oxygen contents, structural properties, and second-phases of the YBCO coated conductors. Raman spectra of YBCO films with lower-transport qualities exhibit additional phonon modes at ∼300 cm-1, ∼600 cm-1, and ∼630 cm-1, which are related to second-phases such as Ba2Cu3O5.9 and BaCuO2. Our results strongly suggest that Raman scattering be useful for optimizing YBCO film growth conditions. © 2007 Elsevier B.V. All rights reserved.
DOI
10.1016/j.physc.2007.01.065
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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