Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability
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This paper presents experimental and analytical results of trapped field characteristics of a stack of square YBCO thin film plates for compact NMR magnets. Each YBCO plate, 40 mm × 40 mm × 0.08 mm, has a 25-mm diameter hole at its center. A total of 500 stacked plates were used to build a 40-mm long magnet. Its trapped field, in a bath of liquid nitrogen, was measured for spatial field distribution and temporal stability. Comparison of measured and analytical results is presented: the effects on trapped field characteristics of the unsaturated nickel substrate and the non-uniform current distribution in the YBCO plate are discussed
Date issued
2010-05Department
Francis Bitter Magnet Laboratory (Massachusetts Institute of Technology)Journal
IEEE Transactions on Applied Superconductivity
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Seungyong Hahn et al. “Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability.” IEEE Transactions on Applied Superconductivity 20.3 (2010): 1037–1040. Web. 12 Apr. 2012. © 2010 Institute of Electrical and Electronics Engineers
Version: Final published version
Other identifiers
INSPEC Accession Number: 11323479
ISSN
1051-8223
1558-2515