High-pressure cell for neutron diffraction with in situ pressure control at cryogenic temperatures

Matthew K. Jacobsen; Christopher J. Ridley; Artur Bocian; Oleg Kirichek; Pascal Manuel; Dmitry Khalyavin; Masaki Azuma; J. Paul Attfield; Konstantin V. Kamenev

doi:10.1063/1.4870061

High-pressure cell for neutron diffraction with in situ pressure control at cryogenic temperatures

Matthew K. Jacobsen, Christopher J. Ridley, Artur Bocian, Oleg Kirichek, Pascal Manuel, Dmitry Khalyavin, Masaki Azuma, J. Paul Attfield, Konstantin V. Kamenev

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Pressure generation at cryogenic temperatures presents a problem for a wide array of experimental techniques, particularly neutron studies due to the volume of sample required. We present a novel, compact pressure cell with a large sample volume in which load is generated by a bellow. Using a supply of helium gas up to a pressure of 350 bar, a load of up to 78 kN is generated with leak-free operation. In addition, special fiber ports added to the cryogenic center stick allow for in situ pressure determination using the ruby pressure standard. Mechanical stability was assessed using finite element analysis and the dimensions of the cell have been optimized for use with standard cryogenic equipment. Load testing and on-line experiments using NaCl and BiNiO₃ have been done at the WISH instrument of the ISIS pulsed neutron source to verify performance.

Original language	English
Article number	043904
Journal	Review of Scientific Instruments
Volume	85
Issue number	4
DOIs	https://doi.org/10.1063/1.4870061
State	Published - Apr 2014
Externally published	Yes

Funding

Funders	Funder number
Engineering and Physical Sciences Research Council
Royal Society
Science and Technology Facilities Council
Science and Technology Facilities Council	ST/F001495/1
Science and Technology Facilities Council

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10.1063/1.4870061

Cite this

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title = "High-pressure cell for neutron diffraction with in situ pressure control at cryogenic temperatures",

abstract = "Pressure generation at cryogenic temperatures presents a problem for a wide array of experimental techniques, particularly neutron studies due to the volume of sample required. We present a novel, compact pressure cell with a large sample volume in which load is generated by a bellow. Using a supply of helium gas up to a pressure of 350 bar, a load of up to 78 kN is generated with leak-free operation. In addition, special fiber ports added to the cryogenic center stick allow for in situ pressure determination using the ruby pressure standard. Mechanical stability was assessed using finite element analysis and the dimensions of the cell have been optimized for use with standard cryogenic equipment. Load testing and on-line experiments using NaCl and BiNiO3 have been done at the WISH instrument of the ISIS pulsed neutron source to verify performance.",

author = "Jacobsen, {Matthew K.} and Ridley, {Christopher J.} and Artur Bocian and Oleg Kirichek and Pascal Manuel and Dmitry Khalyavin and Masaki Azuma and Attfield, {J. Paul} and Kamenev, {Konstantin V.}",

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doi = "10.1063/1.4870061",

language = "English",

volume = "85",

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TY - JOUR

T1 - High-pressure cell for neutron diffraction with in situ pressure control at cryogenic temperatures

AU - Jacobsen, Matthew K.

AU - Ridley, Christopher J.

AU - Bocian, Artur

AU - Kirichek, Oleg

AU - Manuel, Pascal

AU - Khalyavin, Dmitry

AU - Azuma, Masaki

AU - Attfield, J. Paul

AU - Kamenev, Konstantin V.

PY - 2014/4

Y1 - 2014/4

N2 - Pressure generation at cryogenic temperatures presents a problem for a wide array of experimental techniques, particularly neutron studies due to the volume of sample required. We present a novel, compact pressure cell with a large sample volume in which load is generated by a bellow. Using a supply of helium gas up to a pressure of 350 bar, a load of up to 78 kN is generated with leak-free operation. In addition, special fiber ports added to the cryogenic center stick allow for in situ pressure determination using the ruby pressure standard. Mechanical stability was assessed using finite element analysis and the dimensions of the cell have been optimized for use with standard cryogenic equipment. Load testing and on-line experiments using NaCl and BiNiO3 have been done at the WISH instrument of the ISIS pulsed neutron source to verify performance.

AB - Pressure generation at cryogenic temperatures presents a problem for a wide array of experimental techniques, particularly neutron studies due to the volume of sample required. We present a novel, compact pressure cell with a large sample volume in which load is generated by a bellow. Using a supply of helium gas up to a pressure of 350 bar, a load of up to 78 kN is generated with leak-free operation. In addition, special fiber ports added to the cryogenic center stick allow for in situ pressure determination using the ruby pressure standard. Mechanical stability was assessed using finite element analysis and the dimensions of the cell have been optimized for use with standard cryogenic equipment. Load testing and on-line experiments using NaCl and BiNiO3 have been done at the WISH instrument of the ISIS pulsed neutron source to verify performance.

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JO - Review of Scientific Instruments

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ER -

High-pressure cell for neutron diffraction with in situ pressure control at cryogenic temperatures

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