Oxygen Exchange in YBa2Cu3O7 – δ
✍ Scribed by N. A. Kalanda; V. M. Trukhan; V. A. Ketsko
- Book ID
- 110326828
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2002
- Tongue
- English
- Weight
- 154 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0020-1685
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Due to superstructural ordering of oxygen vacancies at the Cu-O chain sites in YBa2CuaOr\_6, O1 and 0II phases are formed corresponding to the T¢ around 90 K and 60 K. The nature of fluctuations including the pair breaking effects, change in interlayer couplings and other parameters have been studie
A simple technique is described for the control and determination of the oxygen stoichiometry between 6.95-5.83 of pure deoxygenated YBa2Cu307\_ ~ (YBCO). By studying samples prepared using this method, two anomalous properties, namely ( 1 ) the step-like increase of the c-axis length of the crystal