Title :
A 1.5-T Magic-Angle Spinning NMR Magnet: 4.2-K Performance and Field Mapping Test Results
Author :
Voccio, John ; Seungyong Hahn ; Youngjae Kim ; Jungbin Song ; Kajikawa, Kazuhiro ; Noguchi, So ; Bascunan, Juan ; Iwasa, Yukikazu
Author_Institution :
Plasma Sci. & Fusion Center (PSFC), MIT Francis Bitter Magn. Lab. (FBML), Cambridge, MA, USA
Abstract :
We present results of full-current testing at 4.2 K of a z-axis 0.866-T solenoid and an x-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.
Keywords :
nuclear magnetic resonance; superconducting magnets; field mapping test results; magic-angle spinning NMR magnet; magic-angle-spinning nuclear magnetic resonance magnet; magnet assembly; solid nitrogen; thermal mass; x-axis 1.225-T dipole coil; z-axis 0.866-T solenoid; Coils; Iron; Magnetic resonance imaging; Nitrogen; Solenoids; Solids; Superconducting magnets; Magic-angle-spinning (MAS) superconducting magnet; magic-angle-spinning superconducting magnet; nuclear magnetic resonance (NMR);
Journal_Title :
Applied Superconductivity, IEEE Transactions on
DOI :
10.1109/TASC.2014.2375892
