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http://dx.doi.org/10.9714/psac.2011.13.4.001

Flux Pinning Properties of REBCO coated conductors for High Field Magnets  

Awaji, Satoshi (Institute for Materials Research, Tohoku University)
Watanabe, Kazuo (Institute for Materials Research, Tohoku University)
Publication Information
Progress in Superconductivity and Cryogenics / v.13, no.4, 2011 , pp. 1-4 More about this Journal
Abstract
From the viewpoint of high field application, the mechanical and critical current properties of recently developed $REBa_2Cu_3O_y$ (RE123, RE: rare-earth) coated conductors are summarized. In addition, effective flux pinning mechanisms in RE123 are also introduced. As one of the examples for high field application, the upgrading of the 18 T cryogen-free superconducting magnet is shown. The large anisotropy of $J_c$ is a problem at low temperature and high magnetic field. The nanorod is considered as the useful methods to improve the anisotropy of $J_c$, although its efficiency becomes small at low temperature.
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