A kinetic analysis of the formation process of the superconducting phase YBa2Cu3Ox
β Scribed by Dr. Le van Huan; Le Thi Cat Tuong; Dr. Nguyen Hong Quyen; Vu Huu Tuong; Dr. Nguyen Xuan Phuc; Pham Hong Ha; Bui Thi Nhi
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 179 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0232-1300
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Melt-textured YBa 2 Cu 3 O x crystals have been irradiated along the c-axis with 208 Pb 56+ ions corresponding to dose matching fields, B Ξ¦ = 0.5 T and B Ξ¦ = 2.0 T. Magnetization measurements were conducted along the ab plane of the samples. The strength of pinning sites was investigated by measurin
Applying the wave functions and exciton energies determined and . described in two previous articles for YBa Cu O , we calculated the effective potential 2 3 7 V assuming as a first approximation of the ''two-bands'' model an excitonic mechanism e f f for superconductivity. With the help of the obta