| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Jakobsen, Bo
Roskilde University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024RUSC (Roskilde University Shear Code)
- 2023Solvothermal vapor annealing setup for thin film treatment:A compact design with in situ solvent vapor concentration probecitations
- 2023Solvothermal vapor annealing setup for thin film treatmentcitations
- 2023Thin film and bulk morphology of PI-PS-PMMA miktoarm star terpolymers with both weakly and strongly segregated arm pairs
- 2022Piezoelectric shear rheometrycitations
- 2018High-pressure cell for simultaneous dielectric and neutron spectroscopycitations
- 2015Communication: High pressure specific heat spectroscopy reveals simple relaxation behavior of glass forming molecular liquidcitations
- 2014High-Resolution Reciprocal Space Mapping for Characterizing Deformation Structurescitations
- 2007Investigation of the deformation structure in an aluminium magnesium alloy by high angular resolution three-dimensional X-ray diffractioncitations
- 2007Direct determination of elastic strains and dislocation densities in individual subgrains in deformation structurescitations
- 2006In-situ studies of bulk deformation structures: Static properties under load and dynamics during deformation
- 2005Dielectric and shear mechanical relaxations in glass-forming liquidscitations
Places of action
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article
High-pressure cell for simultaneous dielectric and neutron spectroscopy
Abstract
In this article, we report on the design, manufacture, and testing of a high-pressure cell for simultaneous dielectric and neutron spectroscopy. This cell is a unique tool for studying dynamics on different time scales, from kilo- to picoseconds, covering universal features such as the α relaxation and fast vibrations at the same time. The cell, constructed in cylindrical geometry, is made of a high-strength aluminum alloy and operates up to 500 MPa in a temperature range between roughly 2 and 320 K. In order to measure the scattered neutron intensity and the sample capacitance simultaneously, a cylindrical capacitor is positioned within the bore of the high-pressure container. The capacitor consists of two concentric electrodes separated by insulating spacers. The performance of this setup has been successfully verified by collecting simultaneous dielectric and neutron spectroscopy data on dipropylene glycol, using both backscattering and time-of-flight instruments. We have carried out the experiments at different combinations of temperature and pressure in both the supercooled liquid and glassy state.