Nanoscale pinning media in bulk melt-textured high-tc superconductors and their importance for super-magnet applications

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The creation and control of nanoscale pinning media in melt-processed ternary superconductors (LRE1,LRE2,LRE3)- Ba2Cu3Oy (LRE=light rare earth) represent an important issue not only for the bulk form of these superconductors. Some of the nanometre-size defects are able to increase irreversibility field up to 14 T at 77 K, others extend the pinning performance of the material up to vicinity of critical temperature, enabling thus levitation with liquid oxygen or argon cooling. Additionally, an optimum content of MoO3 doubles the self-field super-current at 77 K, H//c-axis. Altogether, the pinning tailoring in ternary LRE-123 materials provides a flexible and reliable way to fit the electromagnetic performance with the needs of sophisticated high-temperature and high-magnetic-field applications. The research aims at such applications like super-magnets for NMR, drug delivery systems, wind power generation applications, etc. The recent experimental results on ternary LRE-Ba 2Cu3Oy materials are reviewed with a special respect to creation and control of novel types of nanoscale pinning media.

Original languageEnglish
Title of host publicationCeramic Engineering and Science Proceedings
Pages159-167
Number of pages9
Volume29
Edition8
Publication statusPublished - 2009
EventNanostructured Materials and Nanotechnology II - 32nd International Conference on Advanced Ceramics and Composites - Daytona Beach, FL
Duration: 2008 Jan 272008 Feb 1

Other

OtherNanostructured Materials and Nanotechnology II - 32nd International Conference on Advanced Ceramics and Composites
CityDaytona Beach, FL
Period08/1/2708/2/1

Fingerprint

Superconducting materials
Magnets
Argon
Wind power
Rare earths
Power generation
Nuclear magnetic resonance
Magnetic fields
Oxygen
Cooling
Temperature
Defects
Liquids
molybdenum trioxide
Drug Delivery Systems

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Miryala, M., Sakai, N., Jirsa, M., Murakami, M., & Hirabayashi, I. (2009). Nanoscale pinning media in bulk melt-textured high-tc superconductors and their importance for super-magnet applications. In Ceramic Engineering and Science Proceedings (8 ed., Vol. 29, pp. 159-167)

Nanoscale pinning media in bulk melt-textured high-tc superconductors and their importance for super-magnet applications. / Miryala, Muralidhar; Sakai, Naomichi; Jirsa, M.; Murakami, Masato; Hirabayashi, I.

Ceramic Engineering and Science Proceedings. Vol. 29 8. ed. 2009. p. 159-167.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Miryala, M, Sakai, N, Jirsa, M, Murakami, M & Hirabayashi, I 2009, Nanoscale pinning media in bulk melt-textured high-tc superconductors and their importance for super-magnet applications. in Ceramic Engineering and Science Proceedings. 8 edn, vol. 29, pp. 159-167, Nanostructured Materials and Nanotechnology II - 32nd International Conference on Advanced Ceramics and Composites, Daytona Beach, FL, 08/1/27.
Miryala M, Sakai N, Jirsa M, Murakami M, Hirabayashi I. Nanoscale pinning media in bulk melt-textured high-tc superconductors and their importance for super-magnet applications. In Ceramic Engineering and Science Proceedings. 8 ed. Vol. 29. 2009. p. 159-167
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