SQUID detected NMR of laser-polarized xenon at 4.2 K and at frequencies down to 200 Hz

TitleSQUID detected NMR of laser-polarized xenon at 4.2 K and at frequencies down to 200 Hz
Publication TypeJournal Article
Year of Publication1997
AuthorsTonThat D.M, Ziegeweid M., Song Y.Q, Munson E.J, Appelt S., Pines A, Clarke J
JournalChemical Physics Letters
Volume272
Issue3-4
Pagination245-249
Date PublishedJun 27
ISBN Number0009-2614
Accession NumberWOS:A1997XH44000017
Keywordsrelaxation
Abstract

A spectrometer based on a dc SQUID (superconducting quantum interference device) was used to record nuclear magnetic resonance signals from laser-polarized Xe-129 at 4.2 K and at frequencies ranging from about 200 Hz to 110 kHz in magnetic fields varying from about 0.02 to 9 mT. The Xe-129 resonance linewidths were found to increase with increasing magnetic field, and, at a given field, to increase with higher Xe-129 concentration. The spin-lattice relaxation times were observed to decrease from similar to 8000 s at 5 mT to similar to 2000 s at fields below 0.05 mT. Such long relaxation times make possible a variety of spin polarization transfer experiments. (C) 1997 Published by Elsevier Science B.V.

URL<Go to ISI>://WOS:A1997XH44000017
DOI10.1016/S0009-2614(97)88016-5
Short TitleSQUID detected NMR of laser-polarized xenon at 4.2 K and at frequencies down to 200 Hz
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