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@INPROCEEDINGS{Schmalzl:1005536,
author = {Schmalzl, K. and Schmidt, W. and Raymond, S. and Vettard,
B. and Brückel, T.},
title = {{T}he cold neutron three-axis spectrometer {IN}12 at the
{ILL}},
reportid = {FZJ-2023-01526},
year = {2023},
abstract = {The cold neutron three-axis spectrometer IN12 is operated
by the Juelich Centre for Neutron Science (JCNS) in
collaboration with the CEA-Grenoble as a CRG-B instrument at
the Institut Laue-Langevin (ILL) in Grenoble, France.With an
upgrade accomplished in 2012 the instrument has been
relocated to an end position of a new guide and the whole
primary spectrometer has been upgraded.With a virtual source
concept and a new double focussing PG monochromator IN12 has
gained a factor of 10 in flux at the sample position with a
peak flux of about 108 n/sec/cm2 around ki = 2 Å−1. An
extended wavelength range far into the warmish region (max.
ki ≈ 5.1 Å−1) is now available. A velocity selector in
the guide ensures a clean beam, and a vertical guide
changing system with a transmission polarizing cavity
guarantees an easy-to-use polarization set-up.IN12 is one of
the rare spectrometers that can use polarisation analysis in
combination with high magnetic fields.The multi-analyser
multi-detector option IN12-UFO is interchangeable with the
standard secondary spectrometer and allows to program
simultaneous scans in Q-ω space. We plan the installation
of a second monochromator using perfectly bent Si(111)
crystals. For lowest accessible wavevector range and energy
transfer, it will provide a cleaner signal-to-noise ratio,
clean tails of the elastic line and better energy
resolution.Its sharper focussing is advantageous when using
high field magnets.},
month = {Mar},
date = {2023-03-19},
organization = {Eighth European Conference on Neutron
Scattering, TUM Department of
Mechanical Engineering and the new
Science Congress Center Munich
(Germany), 19 Mar 2023 - 23 Mar 2023},
subtyp = {Invited},
cin = {JCNS-2 / PGI-4 / JARA-FIT},
cid = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
$I:(DE-82)080009_20140620$},
pnm = {632 - Materials – Quantum, Complex and Functional
Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
Research (JCNS) (FZJ) (POF4-6G4)},
pid = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
typ = {PUB:(DE-HGF)24},
url = {https://juser.fz-juelich.de/record/1005536},
}