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Daria NOFERINIPoster
The initial suite of instruments at the European Spallation Source (ESS), currently under construction in Lund, will include five spectrometers, among them CSPEC, a cold chopper spectrometer. CSPEC is delivered as a French-German in-kind contribution, led by the Laboratoire Léon Brillouin, Saclay, France, and the Technische Universität München, Germany.
CSPEC will be the first cold chopper...
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Robert YOUNG (ISIS-STFC-UKRI)Poster
As developments in renewable energy continue, the advancement of energy storage devices is pressed towards further innovation to meet efforts towards net-zero emissions. With energy storage systems, Li-ion batteries (LIBs) are the most widespread in applications from consumer electronics to grid storage due to their high energy density and long lifetime. Electrolyte engineering (which...
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Johanna JOCHUM (TUM-FRM2)Oral
Recent advances in neutron instrumentation have been motivated by a need for highest energy resolution over a wide range of momentum transfers to investigate new and exotic ground states without long-range order or well defined excitations, such as for example quantum spin liquids. One line of development has been towards multi-analyzer spectrometers, such as the CAMEA spectrometer, which has...
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Kyriakos KARYOS (CEA/LLB)Poster
The ICONE project of a French HiCANS is aimed at delivering an instrument suite for the French scientific community at the 2035 horizon. ICONE will produce moderated neutrons in the energy range of < 200 meV, making them suitable for use on neutron scattering instruments. A major challenge is the design and optimisation of instruments to make full use of the ToF flux. To address this, digital...
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Daria NOFERINI (ESS)Poster
Neutron spin echo (NSE) spectroscopy is an essential quasi-elastic neutron scattering (QENS) method to probe dynamics in condensed matter. It gains access to a region of time and length scales which is complementary to other QENS techniques and high-resolution methods (e.g. PFG-NMR, photon correlation spectroscopy), and allows to cover unique science cases in various fields, including protein...
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Dr Joerg VOIGT (Forschungszentrum Jülich GmbH)Poster
We discuss different concepts to realize crystal analyzer spectrometers at long pulse neutron sources.
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For the novel High Current Accelerator driven neutron sources, crystal arrays designed for large ac-
ceptance enable resolutions down to 10 μeV with reasonable detector count rates.
For the ESS we present a concept that might enable neV resolution by using GaAs monochroma-
tors and... -
Christian BECK (ESS DMSC)Poster
Among the instrument suite which is currently constructed at the European Spallation Source (ESS), the time-of-flight backscattering spectrometer Miracles [1] will provide the highest energy resolution permitting diverse studies of molecular dynamics.
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This poster contribution is focusing on the computational aspects of the spectrometer.
To support efficient and reproducible research,... -
Antonio FARAONE (NIST Center for Neutron Research)Poster
Inelastic neutron scattering measurements are usually (except on Spin Echo), performed by knowing the initial and final energy of each neutron detected. This information is used to obtain the double differential scattering cross section, d$^2$$\sigma$/d$\Omega$d$\omega$, the probability of a scattered neutron being directed in the solid angle between $\Omega$ and $\Omega$+d$\Omega$ having...
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Amalie DAVIDSEN (Nanoscience Center, Niels Bohr Institute, University of Copenhagen, Denmark)Oral
We present the instrument concept for KVASIR, a backscattering indirect time-of-flight neutron spectrometer for the European Spallation Source (ESS). KVASIR will probe low lying excitations in single crystals of hard condensed matter. The instrument follows the FARO/SHERPA concept, using mosaic prismatic PG analyzer crystals. KVASIR is simultaneously optimized for high resolution of energy-...
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Benedetta Petra ROSI (ESS)Poster
MIRACLES is the neutron time-of-flight backscattering spectrometer at the European Spallation Source (ESS), which will provide the highest energy resolution among the current instrument suite [1]. Key features of MIRACLES will be: a) high and tuneable energy resolution, allowing to disentangle complex dynamics in a single experiment; b) versatile sample environment, aimed to investigate...
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Denis METTUS (TUM-FRM2)Poster
RESEDA is a neutron resonance spin-echo (NRSE) spectrometer at FRM II that provides a flexible range of possible energy and momentum transfers by offering two modes of operation: the NRSE option, which has the advantage of providing larger spin-echo times and the possibility to measure at large scattering angles, and the MIEZE option, which is robust against depolarizing conditions at the...
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Marcell WOLF (TUM - MLZ)Poster
Within this presentation we want to show new developments on sample environment dedicated for TOFTOF. Although we want to show and discuss our planed upgrade program for TOFTOF.
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Earl BABCOCK (JCNS at the MLZ)Poster
We have been working to develop the instrumentation concept for PA HEROS. The application of PA to high resolution neutron backscattering requires many considerations for the instrumental realization. We have been studying these aspects from incident beam polarization to polarization transport in the primary and secondary spectrometer and PST chopper to novel implementation of a wide angle...
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Matthew LITTLEHALES (TUM)Poster
The Modulated IntEnsity with Zero Effort (MIEZE) resonant spin-echo technique, implemented at the RESEDA instrument at the FRM II, allows measurements of depolarizing samples with high energy resolution and has its optimum resolution at small scattering angles, i.e. SANS geometries. With the recent adaptations towards thermal neutrons, and possibility to move the detector to large scattering...
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Mohamed AOUANEPoster
T-REX is a bispectral direct geometry spectrometer currently under construction at the ESS. T-REX looks at both the thermal and cold moderators at ESS, enabling users to study excitations with incident neutron energies ranging from 2 to 160 meV. A key feature of T-REX is its advanced XYZ polarisation analysis capability, which greatly enhances the scope of possible experiments on a direct...
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Sam LAMBRICK (ISIS Neutron and Muon Source)Poster
The TOSCA spectrometer is a broadband indirect geometry spectrometer, with a particular sensitivity to and high-resolution in the chemical fingerprint region ħω = 50–200 meV (400–1600 cm−1), making it well suited to the study of molecular vibrations. TOSCA has been operating since 1998 and with a guide upgrade in 2017 providing a significant flux increase. To keep the instrument competitive...
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chuyi HUANG (Jülich Centre for Neutron Science)Oral
Neutron polarization analysis provides profound additions of knowledge to the field of soft condensed matter research. The ability to separate the coherent and incoherent scattering contributions gives information on spatial correlations and collective motion, and information from single particles, respectively.
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In this study, we focus on upgrading the SPHERES (SPectrometer for High Energy... -
Adrien PERRICHON (ESS)Oral
We present an update on the design of VESPA, the neutron vibrational spectrometer of the European Spallation Source (ESS). VESPA is a broad-band indirect-geometry spectrometer designed to measure molecular vibrations and address a wide range of research areas highly relevant to society and industry, such as renewable energies or catalysis. The large neutron flux of the ESS will enable VESPA to...
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Dr Michihiro NAGAO (NIST / University of Maryland)Poster
The National Institute of Standards and Technology (NIST) Center for Neutron Research (NCNR) has been operating a neutron spin echo spectrometer since the later ‘90s. Recently, through a collaboration among the University of Delaware, the University of Maryland and the NCNR with a strong support from the Jülich Center for Neutron Science, the instrument was significantly upgraded using funding...
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John ross STEWARTInvited
In recent years, polarised neutron spectroscopy on multi-detector spectrometers has become possible with the advent of wide-angle neutron spin analysers, either using polarizing supermirror arrays (e.g. D007 (ILL), HYSPEC (SNS)) or 3He spin-filters (LET (ISIS), PASTIS (ILL)). Wide-angle neutron polarization analysis is particularly useful for studying materials with short-range or...
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Dr Frederic BOURDAROT (CEA-Grenoble)Oral
Neutron resonance spin echo (NRSE) was invented nearly thirty years ago and initially developed to study the lifetime of crystal lattice excitations. It was subsequently used to determine the distribution and mosaicism of a crystal. This technique also allows the measurement of small crystallographic distortions and micro-gaps (a few tenths of a $\mu$eV) between different excitations. These...
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