Persistent-mode operation of a 920 MHz high-resolution NMR magnet

被引：24

作者：

Kiyoshi, T ^{[1
]}

Sato, A

Takeuchi, T

Itoh, K

Matsumoto, S

Ozaki, O

Fukushima, K

Wada, H

Yoshikawa, M

Kamikado, T

Ito, S

Miki, T

Hase, T

Hamada, M

Hayashi, S

Kawate, Y

Hirose, R

机构：

[1] Natl Inst Mat Sci, Tsukuba Magnet Lab, Tsukuba, Ibaraki 3050003, Japan

[2] Kobe Steel Ltd, Kobe, Hyogo 6512271, Japan

[3] Japan Magnet Technol Inc, Kobe, Hyogo 6512271, Japan

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2002年 / 12卷 / 01期

关键词：

high magnetic field; NMR magnet; nuclear magnetic resonance; superconducting magnet;

D O I：

10.1109/TASC.2002.1018500

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Development of a high-field NMR magnet has been underway at the Tsukuba Magnet Laboratory of the National Institute for Materials Science. The magnet succeeded in a persistent-mode operation at 21.17 T in December 1999. A 283-day long-term operation was carried out from October 2000 to August 2001. It included a persistent operation at 21.6 T (920 MHz) for 108 days. This was the highest field that the superconducting magnets have ever achieved in a persistent operation. Field decay was less than 2 Hz/h. field. homogeneity after correcting with superconducting shim coils were less than 0.1 ppm in a sample volume. These results confirmed that this magnet had been successfully developed as a high-resolution NMR magnet.

引用

页码：711 / 714

页数：4

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