一台1.5-T魔角旋转核磁共振磁体：4.2-K性能及场强映射测试结果
A 1.5-T Magic-Angle Spinning NMR Magnet: 4.2-K Performance and Field Mapping Test Results.
作者信息
Voccio John, Hahn Seungyong, Kim Youngjae, Song Jungbin, Kajikawa Kazuhiro, Noguchi So, Bascuñán Juan, Iwasa Yukikazu
机构信息
Plasma Science and Fusion Center (PSFC), MIT Francis Bitter Magnet Laboratory (FBML), Cambridge, MA 02139 USA.
Francis Bitter Magnet Laboratory (FBML), Cambridge, MA 02139 USA. He is now with the Research Institute of Super-conductor Science and Systems, Kyushu University, Fukuoka 819-0395, Japan.
出版信息
IEEE Trans Appl Supercond. 2015 Jun;25(3). doi: 10.1109/tasc.2014.2375892. Epub 2014 Dec 2.
We present results of full-current testing at 4.2 K of a -axis 0.866-T solenoid and an -axis 1.225-T dipole coil that comprise a 1.5-T/75-mm room temperature bore magic-angle-spinning nuclear magnetic resonance magnet developed at the MIT Francis Bitter Magnet Laboratory. Also included in the paper are results of the magnet performance when the magnet assembly is immersed, to enhance its thermal mass, in solid nitrogen, and operated in the temperature range of 4.2-4.3 K.
我们展示了在麻省理工学院弗朗西斯·比特磁体实验室开发的1.5T/75mm室温孔径魔角旋转核磁共振磁体中，a轴0.866T螺线管和b轴1.225T偶极线圈在4.2K下进行全电流测试的结果。本文还包括了将磁体组件浸入固态氮中以增加其热容量，并在4.2 - 4.3K温度范围内运行时的磁体性能结果。
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