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Observation of record flux pinning in melt-textured NEG-123 superconductor doped by Nb, Mo, and Ti nanopaticles
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SYSNO ASEP 0330011 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Observation of record flux pinning in melt-textured NEG-123 superconductor doped by Nb, Mo, and Ti nanopaticles Title Rekordní upnutí vírů v texturovaném supravodiči NEG-123 dopovaném nanočásticemi Nb, Mo a Ti Author(s) Muralidhar, M. (JP)
Tomita, M. (JP)
Jirsa, Miloš (FZU-D) RID, ORCID
Sakai, N. (JP)
Murakami, M. (JP)
Hirabayashi, I. (JP)Number of authors 6 Source Title Physica. C. - : Elsevier - ISSN 0921-4534
Roč. 469, 15-20 (2009), s. 1196-1199Number of pages 4 s. Language eng - English Country NL - Netherlands Keywords NEG-123 ; critical currents ; record vortex pinning ; high-Tc superconductors ; levitation Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GA202/08/0722 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000270018200088 DOI 10.1016/j.physc.2009.05.189 Annotation Doping of the ternary NEG-123 superconductor by Nb2O5, MoO3 and TiO3 nanoparticles led to record values of the critical current density giving evidence of up to now most effective vortex pinning in bulk superconductors. The optimum concentration of all three dopands was 0.1 mol% in the Nb2O5 doped sample the remnant Jc achieved 925 kA/cm2 at 65 K, 640 kA/cm2 at 77 K, and 100 kA/cm2 at 90.2 K. This enables a steady levitation up to vicinity to the critical temperature of this material. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2010
Number of the records: 1