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- Title
Enhanced Transport Critical Current Density in Ag-Sheathed (BiPb)SrCaCuO Superconductor Tapes with Different Nano-Sized CoO Addition.
- Authors
Jannah, A.; Abdullah, H.; Abd-Shukor, R.
- Abstract
Ag sheathed (BiPb)SrCaCuO(CoO) superconductor tapes with addition of CoO nanoparticles (with size 30 and 50) were fabricated using the powder-in-tube (PIT) method. The structure and microstructure were studied along with critical temperature ( T) and transport critical current density ( J). The nanoparticle added tapes showed a higher J value compared with the non-added tapes. The 30-nm CoO added tapes showed a higher J value compared with the 50 nm CoO added tapes. This study showed that CoO nanoparticles could act as effective pinning centers leading to enhancement of J in the Bi-2223/Ag sheathed tapes. The addition of smaller CoO nanoparticles (30 nm) results in stronger pinning. The full vortex magnetic energy due to addition of CoO magnetic nanoparticles led to the enhancement of J.
- Subjects
CRITICAL current density (Superconductivity); SUPERCONDUCTORS; METAL nanoparticles; SUPERCONDUCTING transition temperature; FERROMAGNETIC materials
- Publication
Journal of Superconductivity & Novel Magnetism, 2015, Vol 28, Issue 5, p1471
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-014-2921-5