FT Raman spectroscopic characterization of oxalate precursors to YBCO superconductors

Millar, Graeme J., Bell, Robert J., Bhargava, Atit, Mackinnon, Ian D. R., & Fredericks, Peter M. (1995) FT Raman spectroscopic characterization of oxalate precursors to YBCO superconductors. Materials Letters, 25(3-4), pp. 75-80.

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FT Raman spectroscopy has been used to characterise the composition of the oxalate precursor to YBCO superconductors. By comparison to spectra of barium, copper and yttrium oxalate it is concluded that the co-precipitate incorporates not only the individual oxalate species but also a species ascribed to a mixed oxalate system. Significantly, Raman spectroscopy demonstrated that the precursor was not amorphous as previously deduced from XRD studies. In contrast, it is hypothesised that the sample consists of very small crystalline particles.

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ID Code: 57472
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By (since 1996): 5 Export Date: 19 February 2013 Source: Scopus CODEN: MLETD Language of Original Document: English Correspondence Address: Millar, G.J.; Department of Chemistry, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
Keywords: Fourier transform Raman spectroscopy, Oxalate precursors, Yttrium barium copper oxide, Ceramic materials, Crystalline materials, Oxide superconductors, Precipitation (chemical), Raman spectroscopy, Synthesis (chemical), Yttrium compounds, High temperature superconductors
DOI: 10.1016/0167-577X(95)00150-6
ISSN: 0167-577X
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Ceramics (091201)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 26 Feb 2013 03:10
Last Modified: 26 Feb 2013 23:44

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