Transport critical currents of melt-processed (QMG) YBa2Cu3Ox bulk superconductors were measured by a d.c. four probe method. The QMC bulk specimens have high Jc characterisics of = 1 x 104 A cm-2 at 5 T for the magnetic field parallel to a-b plane. The angular dependence of Jo upon the direction of
โฆ LIBER โฆ
Critical current density and microstructure of melt-processed YBa2Cu3Ox with PtO2 additions
โ Scribed by C. Varanasi; P.J. McGinn; V. Pavate; E.P. Kvam
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 700 KB
- Volume
- 221
- Category
- Article
- ISSN
- 0921-4534
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We were able to vary the oxygen concentration of a YBCO coated-conductor sample from the under-doped to the over-doped regime. This was achieved by secondary oxygenation treatments at temperatures between 250 ยฐC and 500 ยฐC employing a novel oxygenation scheme. The YBCO-coated conductor was fabricate