The formation of YBa2Cu3O7-x in melt-texture heat treatments
Golden, S.J., Yamashita, T., Bhargava, A., Barry, J.C., & Mackinnon, I.D.R. (1994) The formation of YBa2Cu3O7-x in melt-texture heat treatments. Physica C : Superconductivity and its applications, 221(1-2), pp. 85-90.
A study of the bulk formation of YBa2Cu3O7-x from the Y2BaCuO5 plus liquid regime reveals that phase formation occurs at appreciable rates below 950°C in air. This result has been observed for phase-pure YBa2Cu3O7-x starting material given two types of heat treatment: held at 1100°C and slow-cooled from 1030°C at 6°C/h or heat-treated isothermally. Differential thermal analysis, with a cooling rate of 10°C/min indicates that the degree of undercooling for the peritectic formation of YBa2Cu3O7-x is greater than 100°C. © 1994.
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|Item Type:||Journal Article|
|Additional Information:||Cited By (since 1996): 9 Export Date: 19 February 2013 Source: Scopus CODEN: PHYCE Language of Original Document: English Correspondence Address: Golden, S.J.; Centre for Microscopy and Microanalysis, The University of Queensland, St. Lucia, QLD 4072, Australia|
|Keywords:||Copper oxides, Differential thermal analysis, Heat treatment, Phase transitions, Yttrium compounds, Bulk formation, Isothermal heat treatment, Melt texture heat treatment, Peritectic formation, Slow cooling, Undercooling, Yttrium barium copper oxides, Superconducting materials|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Ceramics (091201)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Functional Materials (091205)
|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 02:58|
|Last Modified:||26 Feb 2013 02:58|
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