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@INPROCEEDINGS{Babcock:868302,
author = {Babcock, Earl and Salhi, Zahir and Barnsley, Lester and
Voigt, Jörg and Mattauch, Stefan and Ioffe, Alexander},
title = {µ -metal magnetic cavities for polarization and
maintenance of polarization of 3 {H}e gas},
journal = {Journal of physics / Conference Series},
volume = {1316},
number = {1},
issn = {1742-6588},
address = {Bristol},
publisher = {IOP Publ.87703},
reportid = {FZJ-2019-06852},
pages = {012019},
year = {2019},
abstract = {Low gradient magnetic holding fields are required for
maintaining the polarization of polarized 3He, as diffusion
though non-ideal gradients can cause total relaxation rates
much greater than the intrinsic total 3He relaxation rate of
a particular 3He cell in optimal conditions. For neutron
scattering applications we often rely on µ-metal cavities
to provide a degree of shielding from the many other sources
of magnetic fields and gradient experienced on a typical
neutron instrument. The JCNS utilizes two concepts for such
cavities, one based on inexpensive plastic-bonded magnets to
provide magnetic flux, and the other based on field coils
wound on the sides of the µ-metal cavity. 2 different sized
of permanent magnet cavities and three different geometries
of coil-based cavities have been produced. Both types of
boxes will be presented with magnetic design as well as
mechanical construction details along with the achieved
performance of the constructed devices.},
month = {Jul},
date = {2018-07-03},
organization = {12th International Conference on
Polarised Neutrons for Condensed Matter
Investigations, Abingdon, UK (UK), 3
Jul 2018 - 6 Jul 2018},
cin = {JCNS-FRM-II / JCNS-1 / JCNS-2 / MLZ},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)JCNS-2-20110106 /
I:(DE-588b)4597118-3},
pnm = {524 - Controlling Collective States (POF3-524) / 6212 -
Quantum Condensed Matter: Magnetism, Superconductivity
(POF3-621) / 6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich
Centre for Neutron Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-524 / G:(DE-HGF)POF3-6212 /
G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
experiment = {EXP:(DE-MLZ)KWS1-20140101 / EXP:(DE-MLZ)MARIA-20140101},
typ = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8},
UT = {WOS:000562316600019},
doi = {10.1088/1742-6596/1316/1/012019},
url = {https://juser.fz-juelich.de/record/868302},
}