Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability

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 lon...

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Main Authors: Voccio, John, Hahn, Seung-Yong, Kim, Seok Beom, Ahn, Min Cheol, Bascunan, Juan, Iwasa, Yukikazu
Other Authors: Francis Bitter Magnet Laboratory (Massachusetts Institute of Technology)
Format: Article
Language:en_US
Published: Institute of Electrical and Electronics Engineers (IEEE) 2012
Online Access:http://hdl.handle.net/1721.1/69996
https://orcid.org/0000-0001-5712-7350
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author Voccio, John
Hahn, Seung-Yong
Kim, Seok Beom
Ahn, Min Cheol
Bascunan, Juan
Iwasa, Yukikazu
author2 Francis Bitter Magnet Laboratory (Massachusetts Institute of Technology)
author_facet Francis Bitter Magnet Laboratory (Massachusetts Institute of Technology)
Voccio, John
Hahn, Seung-Yong
Kim, Seok Beom
Ahn, Min Cheol
Bascunan, Juan
Iwasa, Yukikazu
author_sort Voccio, John
collection MIT
description 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
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spelling mit-1721.1/699962024-06-26T21:01:52Z Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability Voccio, John Hahn, Seung-Yong Kim, Seok Beom Ahn, Min Cheol Bascunan, Juan Iwasa, Yukikazu Francis Bitter Magnet Laboratory (Massachusetts Institute of Technology) Bascunan, Juan Hahn, Seung-Yong Kim, Seok Beom Ahn, Min Cheol Bascunan, Juan Iwasa, Yukikazu 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 National Institute of Biomedical Imaging and Bioengineering (U.S.) 2012-04-12T17:25:08Z 2012-04-12T17:25:08Z 2010-05 2009-10 Article http://purl.org/eprint/type/JournalArticle 1051-8223 1558-2515 INSPEC Accession Number: 11323479 http://hdl.handle.net/1721.1/69996 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 https://orcid.org/0000-0001-5712-7350 en_US http://dx.doi.org/10.1109/TASC.2010.2043832 IEEE Transactions on Applied Superconductivity Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf Institute of Electrical and Electronics Engineers (IEEE) IEEE
spellingShingle Voccio, John
Hahn, Seung-Yong
Kim, Seok Beom
Ahn, Min Cheol
Bascunan, Juan
Iwasa, Yukikazu
Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability
title Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability
title_full Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability
title_fullStr Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability
title_full_unstemmed Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability
title_short Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability
title_sort trapped field characteristics of stacked ybco thin plates for compact nmr magnets spatial field distribution and temporal stability
url http://hdl.handle.net/1721.1/69996
https://orcid.org/0000-0001-5712-7350
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