Limits of the critical current density of polycrystalline high-temperature superconductors based on the current transport properties of single grain boundaries
โ Scribed by J. Mannhart; C. C. Tsuei
- Book ID
- 112514732
- Publisher
- Springer
- Year
- 1989
- Tongue
- English
- Weight
- 640 KB
- Volume
- 77
- Category
- Article
- ISSN
- 1434-6036
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๐ SIMILAR VOLUMES
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
A model to describe the critical current density behavior of high-T c polycrystalline superconductors is proposed for all magnetic field values. The main features of the model are as follows: the transport critical current density is controlled by the weak-link network at grain boundaries. The size