High-pressure cell for simultaneous dielectric and neutron spectroscopy

Alejandro Sanz; Henriette Wase Hansen; Bo Jakobsen; Ib Høst Pedersen; Simone Capaccioli; Karolina Adrjanowicz; Marian Paluch; Julien Gonthier; Bernhard Frick; Eddy Lelièvre-Berna; Judith Peters; Kristine Niss

doi:10.1063/1.5007021

High-pressure cell for simultaneous dielectric and neutron spectroscopy

Alejandro Sanz, Henriette Wase Hansen, Bo Jakobsen, Ib Høst Pedersen, Simone Capaccioli, Karolina Adrjanowicz, Marian Paluch, Julien Gonthier, Bernhard Frick, Eddy Lelièvre-Berna, Judith Peters, Kristine Niss

Research output: Contribution to journal › Journal article › Research › peer-review

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.

Original language	English
Article number	023904
Journal	Review of Scientific Instruments
Volume	89
Issue number	2
Number of pages	9
ISSN	0034-6748
DOIs	https://doi.org/10.1063/1.5007021
Publication status	Published - 1 Feb 2018

Link to document

10.1063/1.5007021

https://arxiv.org/pdf/1709.09859.pdf

Cite this

@article{5ce56445759643cabb0b470750ee501c,

title = "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.",

author = "Alejandro Sanz and Hansen, {Henriette Wase} and Bo Jakobsen and Pedersen, {Ib H{\o}st} and Simone Capaccioli and Karolina Adrjanowicz and Marian Paluch and Julien Gonthier and Bernhard Frick and Eddy Leli{\`e}vre-Berna and Judith Peters and Kristine Niss",

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TY - JOUR

T1 - High-pressure cell for simultaneous dielectric and neutron spectroscopy

AU - Sanz, Alejandro

AU - Hansen, Henriette Wase

AU - Jakobsen, Bo

AU - Pedersen, Ib Høst

AU - Capaccioli, Simone

AU - Adrjanowicz, Karolina

AU - Paluch, Marian

AU - Gonthier, Julien

AU - Frick, Bernhard

AU - Lelièvre-Berna, Eddy

AU - Peters, Judith

AU - Niss, Kristine

PY - 2018/2/1

Y1 - 2018/2/1

N2 - 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.

AB - 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.

U2 - 10.1063/1.5007021

DO - 10.1063/1.5007021

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VL - 89

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