Temperature and magnetic field dependence of the critical current density of YBCO with fine grains
โ Scribed by R. Vaccarone; F. Parodi; R. Garre; S. Ceresara
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 432 KB
- Volume
- 168
- Category
- Article
- ISSN
- 0921-4534
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๐ SIMILAR VOLUMES
The effect of different doses of ฮณ-rays on the behavior of the critical current density, J c in an YBa 2 Cu 3 O 7 polycrystalline sample has been investigated at high temperatures. The samples were irradiated at room temperature by a 60 Co ฮณ-ray source at a dose rate of 0.5 MR/h. J c was found to in
The critical current density, J,, is discussed theoretically to explain the exponential dependence of .I, on the flux density, B, given typically by J,rexp( -B/B,( T) ), which has been widely observed for single crystals of high-T, superconductors in an external magnetic field parallel to the crysta