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@ARTICLE{Qiu:59558,
author = {Qiu, L. and Zhang, Y. and Krause, H.-J. and Braginski, A.
I. and Burghoff, M. and Trahms, L.},
title = {{N}uclear magnetic resonance in the earth's magnetic field
using a nitrogen-cooled superconducting quantum interference
device},
journal = {Applied physics letters},
volume = {91},
issn = {0003-6951},
address = {Melville, NY},
publisher = {American Institute of Physics},
reportid = {PreJuSER-59558},
pages = {072505},
year = {2007},
note = {Record converted from VDB: 12.11.2012},
abstract = {The authors recorded nuclear magnetic resonance (NMR)
spectra of water, benzene, fluorobenzene, and
2,2,2-trifluoroethanol in the earth's magnetic field (EMF)
using a nitrogen-cooled superconducting quantum interference
device (SQUID). In trifluoroethanol, the broadband detection
characteristics of the SQUID with a noise floor of about 70
fT/root Hz enabled authors to simultaneously observe
fluorine and proton spectra at 1940 and 2060 Hz Larmor
frequency, reflecting their heteronuclear J coupling in the
high-field limit without showing a measurable chemical
shift. To reduce the noise in EMF-NMR, the authors suggest
the use of frequency-adjusted averaging, which compensates
line broadening due to EMF fluctuations. (C) 2007 American
Institute of Physics.},
keywords = {J (WoSType)},
cin = {IBN-2},
ddc = {530},
cid = {I:(DE-Juel1)IBN-2-20090406},
pnm = {Grundlagen für zukünftige Informationstechnologien},
pid = {G:(DE-Juel1)FUEK412},
shelfmark = {Physics, Applied},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000248866600064},
doi = {10.1063/1.2771060},
url = {https://juser.fz-juelich.de/record/59558},
}