Persistent-mode high-temperature superconductor shim coils: A design concept and experimental results of a prototype Z1 high-temperature superconductor shim

被引：14
|
作者：
Iwasa, Yukikazu [1 ]
Hahn, Seungyong [1 ]
Voccio, John [1 ]
Park, Dong Keun [1 ]
Kim, Youngjae [1 ]
Bascunan, Juan [1 ]
机构：
[1] MIT, Francis Bitter Magnet Lab, Cambridge, MA 02139 USA
来源：
APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 05期
基金：
美国国家卫生研究院;
关键词：
FIELD; NMR; MAGNET;
D O I：
10.1063/1.4816132
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Design, fabrication, and test results of a type persistent-mode high-temperature superconductor (HTS) shim coil are presented. A prototype Z1 rectangle-loop shim, cut from 46-mm wide Y-Ba-Cu-O tape manufactured by AMSC, was fabricated and tested at 77 K. The HTS shim, much thinner than the conventional NbTi shim, is placed inside the main magnet and immune to its diamagnetic wall effects. Combined with the >12-T and >10-K operation capability, the HTS shim offers a versatile design option for nuclear magnetic resonance (NMR) magnets, liquid-helium-free as well as conventional, and is particularly attractive in the next generation NMR magnets. (C) 2013 AIP Publishing LLC.
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页数：3
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