NDLI: AC Susceptibility Studies of Anisotropy in Sm-123 Superconductors

Content Provider	IEEE Xplore Digital Library
Author	Sakamoto, N. Akune, T.
Copyright Year	2002
Abstract	The main cause of the degradation in the oxide superconductors is considered to originate in the inter-granular link region among the superconducting grains. For analytical study of the granular structure, the grained Bean model is proposed, where the superconducting grains are immersed in the interconnecting link superconductors. Difference of the superconducting characteristics of the grain and the link, pinning penetration depths B_pg, B_pl and grain volume factor f_g, introduces a variety of deformation on the AC susceptibility curves, such as double peaks in the imaginary part χ^'' and plateaus in the real part χ^'. From the dependence of χ^' and χ^'' of AC susceptibility on temperatures T and DC magnetic fields B_dc in grain-aligned Sm-123 superconductors, critical current densities, grain sizes and their anisotropic nature can be estimated and discussed comparing with the existing data.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	3142
Ending Page	3145
Page Count	4
File Size	596262
File Format	PDF
ISSN	10518223
Volume Number	21
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic susceptibility Bean model Granular superconductors Magnetic resonance imaging Superconducting magnets Magnetization pinning penetration field AC susceptibility grained Bean model
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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