Partial melt-processed Bi 2 Sr 2 Ca 1 Cu 2 O 8+d (Bi-2212) materials have low critical current densities (j c ) when made from precursors where melting occurred during the calcination. In this paper, the origin of melt formation during calcination of a stoichiometric Bi:2, Sr:2, Ca:1, Cu:2 mixture o
Influence of anisotropy and pinning centers on critical current properties in Bi-2212 superconductors
β Scribed by T. Haraguchi; S. Takayama; M. Kiuchi; E.S. Otabe; T. Matsushita; T. Yasuda; S. Okayasu; S. Uchida; J. Shimoyama; K. Kishio
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 141 KB
- Volume
- 445-448
- Category
- Article
- ISSN
- 0921-4534
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π SIMILAR VOLUMES
We have studied the anisotropy of transport critical current densities JΒ’ and pinning properties for YBa~CuaOT-s single-crystal thin films in magnetic fields H up to 12 T as a function of angle between//and the crystal axes. The observed angular dependence of JΒ’ agreed with the intrinsic pinning mo
The influence of a multistep intermediate pressing and sintering process on properties, mainly on transport critical current density (Jc) and trapped magnetic field has been examined in a 2223-phase (BiogPbo.1)2Sr2Ca2 Cu3Om polycrystalline superconductor shaped in pellets and a tube. Prepared pellet